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Finding the Fourth Proportional to 487,222.04, 730,957.62 and 202,818.03

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Solution

The fourth proportional to 487,222.04, 730,957.62 and 202,818.03 is: 304,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,222.04 : 730,957.62 = 202,818.03 : x
  2. Step 2: Convert to fraction form
    487,222.04/730,957.62 = 202,818.03/x
  3. Step 3: Cross multiply
    487,222.04x = 730,957.62 × 202,818.03
  4. Step 4: Simplify right side
    487,222.04x = 148,251,381,380.51
  5. Step 5: Solve for x
    x = 148,251,381,380.51/487,222.04
  6. Step 6: Final answer
    x = 304,278.89

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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.