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Finding the Fourth Proportional to 696,152.52, 960,864.66 and 427,725

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Solution

The fourth proportional to 696,152.52, 960,864.66 and 427,725 is: 590,367.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,152.52 : 960,864.66 = 427,725 : x
  2. Step 2: Convert to fraction form
    696,152.52/960,864.66 = 427,725/x
  3. Step 3: Cross multiply
    696,152.52x = 960,864.66 × 427,725
  4. Step 4: Simplify right side
    696,152.52x = 410,985,836,698.50
  5. Step 5: Solve for x
    x = 410,985,836,698.50/696,152.52
  6. Step 6: Final answer
    x = 590,367.52

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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.