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Finding the Fourth Proportional to 586,483.66, 879,710.10 and 187,148.80

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Solution

The fourth proportional to 586,483.66, 879,710.10 and 187,148.80 is: 280,718.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,483.66 : 879,710.10 = 187,148.80 : x
  2. Step 2: Convert to fraction form
    586,483.66/879,710.10 = 187,148.80/x
  3. Step 3: Cross multiply
    586,483.66x = 879,710.10 × 187,148.80
  4. Step 4: Simplify right side
    586,483.66x = 164,636,689,562.88
  5. Step 5: Solve for x
    x = 164,636,689,562.88/586,483.66
  6. Step 6: Final answer
    x = 280,718.29

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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.