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Finding the Fourth Proportional to 429,545.86, 592,820.28 and 245,801.40

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Solution

The fourth proportional to 429,545.86, 592,820.28 and 245,801.40 is: 339,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,545.86 : 592,820.28 = 245,801.40 : x
  2. Step 2: Convert to fraction form
    429,545.86/592,820.28 = 245,801.40/x
  3. Step 3: Cross multiply
    429,545.86x = 592,820.28 × 245,801.40
  4. Step 4: Simplify right side
    429,545.86x = 145,716,054,772.39
  5. Step 5: Solve for x
    x = 145,716,054,772.39/429,545.86
  6. Step 6: Final answer
    x = 339,232.82

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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.