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Finding the Fourth Proportional to 530,895.60, 796,343.40 and 509,900.40

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Solution

The fourth proportional to 530,895.60, 796,343.40 and 509,900.40 is: 764,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,895.60 : 796,343.40 = 509,900.40 : x
  2. Step 2: Convert to fraction form
    530,895.60/796,343.40 = 509,900.40/x
  3. Step 3: Cross multiply
    530,895.60x = 796,343.40 × 509,900.40
  4. Step 4: Simplify right side
    530,895.60x = 406,055,818,197.36
  5. Step 5: Solve for x
    x = 406,055,818,197.36/530,895.60
  6. Step 6: Final answer
    x = 764,850.60

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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.