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Finding the Fourth Proportional to 532,253.91, 798,543.27 and 319,258.34

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Solution

The fourth proportional to 532,253.91, 798,543.27 and 319,258.34 is: 478,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,253.91 : 798,543.27 = 319,258.34 : x
  2. Step 2: Convert to fraction form
    532,253.91/798,543.27 = 319,258.34/x
  3. Step 3: Cross multiply
    532,253.91x = 798,543.27 × 319,258.34
  4. Step 4: Simplify right side
    532,253.91x = 254,941,594,805.66
  5. Step 5: Solve for x
    x = 254,941,594,805.66/532,253.91
  6. Step 6: Final answer
    x = 478,984.92

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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.