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Finding the Fourth Proportional to 592,793.64, 817,831.92 and 388,957.08

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Solution

The fourth proportional to 592,793.64, 817,831.92 and 388,957.08 is: 536,614.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,793.64 : 817,831.92 = 388,957.08 : x
  2. Step 2: Convert to fraction form
    592,793.64/817,831.92 = 388,957.08/x
  3. Step 3: Cross multiply
    592,793.64x = 817,831.92 × 388,957.08
  4. Step 4: Simplify right side
    592,793.64x = 318,101,515,533.99
  5. Step 5: Solve for x
    x = 318,101,515,533.99/592,793.64
  6. Step 6: Final answer
    x = 536,614.25

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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.