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Finding the Fourth Proportional to 604,970.56, 907,386.72 and 161,773.12

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Solution

The fourth proportional to 604,970.56, 907,386.72 and 161,773.12 is: 242,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,970.56 : 907,386.72 = 161,773.12 : x
  2. Step 2: Convert to fraction form
    604,970.56/907,386.72 = 161,773.12/x
  3. Step 3: Cross multiply
    604,970.56x = 907,386.72 × 161,773.12
  4. Step 4: Simplify right side
    604,970.56x = 146,790,780,740.97
  5. Step 5: Solve for x
    x = 146,790,780,740.97/604,970.56
  6. Step 6: Final answer
    x = 242,641.20

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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.