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Finding the Fourth Proportional to 569,731.60, 854,597.40 and 357,155.20

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Solution

The fourth proportional to 569,731.60, 854,597.40 and 357,155.20 is: 535,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,731.60 : 854,597.40 = 357,155.20 : x
  2. Step 2: Convert to fraction form
    569,731.60/854,597.40 = 357,155.20/x
  3. Step 3: Cross multiply
    569,731.60x = 854,597.40 × 357,155.20
  4. Step 4: Simplify right side
    569,731.60x = 305,223,905,316.48
  5. Step 5: Solve for x
    x = 305,223,905,316.48/569,731.60
  6. Step 6: Final answer
    x = 535,732.80

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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.