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Finding the Fourth Proportional to 573,368.92, 791,134.14 and 347,029.72

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Solution

The fourth proportional to 573,368.92, 791,134.14 and 347,029.72 is: 478,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,368.92 : 791,134.14 = 347,029.72 : x
  2. Step 2: Convert to fraction form
    573,368.92/791,134.14 = 347,029.72/x
  3. Step 3: Cross multiply
    573,368.92x = 791,134.14 × 347,029.72
  4. Step 4: Simplify right side
    573,368.92x = 274,547,059,086.64
  5. Step 5: Solve for x
    x = 274,547,059,086.64/573,368.92
  6. Step 6: Final answer
    x = 478,831.43

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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.