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Finding the Fourth Proportional to 584,711.10, 877,066.65 and 490,232.70

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Solution

The fourth proportional to 584,711.10, 877,066.65 and 490,232.70 is: 735,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,711.10 : 877,066.65 = 490,232.70 : x
  2. Step 2: Convert to fraction form
    584,711.10/877,066.65 = 490,232.70/x
  3. Step 3: Cross multiply
    584,711.10x = 877,066.65 × 490,232.70
  4. Step 4: Simplify right side
    584,711.10x = 429,966,751,909.46
  5. Step 5: Solve for x
    x = 429,966,751,909.46/584,711.10
  6. Step 6: Final answer
    x = 735,349.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.