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Finding the Fourth Proportional to 586,462.41, 879,678.23 and 187,127.55

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Solution

The fourth proportional to 586,462.41, 879,678.23 and 187,127.55 is: 280,686.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,462.41 : 879,678.23 = 187,127.55 : x
  2. Step 2: Convert to fraction form
    586,462.41/879,678.23 = 187,127.55/x
  3. Step 3: Cross multiply
    586,462.41x = 879,678.23 × 187,127.55
  4. Step 4: Simplify right side
    586,462.41x = 164,612,031,032.60
  5. Step 5: Solve for x
    x = 164,612,031,032.60/586,462.41
  6. Step 6: Final answer
    x = 280,686.41

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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.