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Finding the Fourth Proportional to 502,697.12, 754,582.80 and 203,373.32

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Solution

The fourth proportional to 502,697.12, 754,582.80 and 203,373.32 is: 305,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,697.12 : 754,582.80 = 203,373.32 : x
  2. Step 2: Convert to fraction form
    502,697.12/754,582.80 = 203,373.32/x
  3. Step 3: Cross multiply
    502,697.12x = 754,582.80 × 203,373.32
  4. Step 4: Simplify right side
    502,697.12x = 153,462,009,250.90
  5. Step 5: Solve for x
    x = 153,462,009,250.90/502,697.12
  6. Step 6: Final answer
    x = 305,277.28

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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.