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Finding the Fourth Proportional to 343,125.59, 473,399.82 and 207,107.87

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Solution

The fourth proportional to 343,125.59, 473,399.82 and 207,107.87 is: 285,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,125.59 : 473,399.82 = 207,107.87 : x
  2. Step 2: Convert to fraction form
    343,125.59/473,399.82 = 207,107.87/x
  3. Step 3: Cross multiply
    343,125.59x = 473,399.82 × 207,107.87
  4. Step 4: Simplify right side
    343,125.59x = 98,044,826,011.58
  5. Step 5: Solve for x
    x = 98,044,826,011.58/343,125.59
  6. Step 6: Final answer
    x = 285,740.35

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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.