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Finding the Fourth Proportional to 586,429.70, 879,644.55 and 514,112.90

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Solution

The fourth proportional to 586,429.70, 879,644.55 and 514,112.90 is: 771,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,429.70 : 879,644.55 = 514,112.90 : x
  2. Step 2: Convert to fraction form
    586,429.70/879,644.55 = 514,112.90/x
  3. Step 3: Cross multiply
    586,429.70x = 879,644.55 × 514,112.90
  4. Step 4: Simplify right side
    586,429.70x = 452,236,610,569.70
  5. Step 5: Solve for x
    x = 452,236,610,569.70/586,429.70
  6. Step 6: Final answer
    x = 771,169.35

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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.