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Finding the Fourth Proportional to 719,337.53, 992,327.51 and 502,001.98

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Solution

The fourth proportional to 719,337.53, 992,327.51 and 502,001.98 is: 692,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,337.53 : 992,327.51 = 502,001.98 : x
  2. Step 2: Convert to fraction form
    719,337.53/992,327.51 = 502,001.98/x
  3. Step 3: Cross multiply
    719,337.53x = 992,327.51 × 502,001.98
  4. Step 4: Simplify right side
    719,337.53x = 498,150,373,602.66
  5. Step 5: Solve for x
    x = 498,150,373,602.66/719,337.53
  6. Step 6: Final answer
    x = 692,512.70

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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.