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Finding the Fourth Proportional to 531,618.16, 797,318.49 and 152,437.32

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Solution

The fourth proportional to 531,618.16, 797,318.49 and 152,437.32 is: 228,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,618.16 : 797,318.49 = 152,437.32 : x
  2. Step 2: Convert to fraction form
    531,618.16/797,318.49 = 152,437.32/x
  3. Step 3: Cross multiply
    531,618.16x = 797,318.49 × 152,437.32
  4. Step 4: Simplify right side
    531,618.16x = 121,541,093,802.05
  5. Step 5: Solve for x
    x = 121,541,093,802.05/531,618.16
  6. Step 6: Final answer
    x = 228,624.80

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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.