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Finding the Fourth Proportional to 462,886.71, 693,650.77 and 260,876.08

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Solution

The fourth proportional to 462,886.71, 693,650.77 and 260,876.08 is: 390,931.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,886.71 : 693,650.77 = 260,876.08 : x
  2. Step 2: Convert to fraction form
    462,886.71/693,650.77 = 260,876.08/x
  3. Step 3: Cross multiply
    462,886.71x = 693,650.77 × 260,876.08
  4. Step 4: Simplify right side
    462,886.71x = 180,956,892,462.20
  5. Step 5: Solve for x
    x = 180,956,892,462.20/462,886.71
  6. Step 6: Final answer
    x = 390,931.28

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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.