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Finding the Fourth Proportional to 559,934.10, 839,901.15 and 550,602.90

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Solution

The fourth proportional to 559,934.10, 839,901.15 and 550,602.90 is: 825,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,934.10 : 839,901.15 = 550,602.90 : x
  2. Step 2: Convert to fraction form
    559,934.10/839,901.15 = 550,602.90/x
  3. Step 3: Cross multiply
    559,934.10x = 839,901.15 × 550,602.90
  4. Step 4: Simplify right side
    559,934.10x = 462,452,008,903.34
  5. Step 5: Solve for x
    x = 462,452,008,903.34/559,934.10
  6. Step 6: Final answer
    x = 825,904.35

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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.