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Finding the Fourth Proportional to 552,366.69, 762,008.66 and 358,760.70

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Solution

The fourth proportional to 552,366.69, 762,008.66 and 358,760.70 is: 494,922.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,366.69 : 762,008.66 = 358,760.70 : x
  2. Step 2: Convert to fraction form
    552,366.69/762,008.66 = 358,760.70/x
  3. Step 3: Cross multiply
    552,366.69x = 762,008.66 × 358,760.70
  4. Step 4: Simplify right side
    552,366.69x = 273,378,758,473.86
  5. Step 5: Solve for x
    x = 273,378,758,473.86/552,366.69
  6. Step 6: Final answer
    x = 494,922.60

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1.5x scale

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.