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Finding the Fourth Proportional to 527,624.28, 787,615.95 and 463,780.28

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Solution

The fourth proportional to 527,624.28, 787,615.95 and 463,780.28 is: 692,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,624.28 : 787,615.95 = 463,780.28 : x
  2. Step 2: Convert to fraction form
    527,624.28/787,615.95 = 463,780.28/x
  3. Step 3: Cross multiply
    527,624.28x = 787,615.95 × 463,780.28
  4. Step 4: Simplify right side
    527,624.28x = 365,280,749,531.68
  5. Step 5: Solve for x
    x = 365,280,749,531.68/527,624.28
  6. Step 6: Final answer
    x = 692,312.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.