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Finding the Fourth Proportional to 529,560.59, 730,775.72 and 303,162.35

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Solution

The fourth proportional to 529,560.59, 730,775.72 and 303,162.35 is: 418,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,560.59 : 730,775.72 = 303,162.35 : x
  2. Step 2: Convert to fraction form
    529,560.59/730,775.72 = 303,162.35/x
  3. Step 3: Cross multiply
    529,560.59x = 730,775.72 × 303,162.35
  4. Step 4: Simplify right side
    529,560.59x = 221,543,681,702.17
  5. Step 5: Solve for x
    x = 221,543,681,702.17/529,560.59
  6. Step 6: Final answer
    x = 418,353.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.