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Finding the Fourth Proportional to 533,488.47, 736,186.89 and 291,724.12

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Solution

The fourth proportional to 533,488.47, 736,186.89 and 291,724.12 is: 402,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,488.47 : 736,186.89 = 291,724.12 : x
  2. Step 2: Convert to fraction form
    533,488.47/736,186.89 = 291,724.12/x
  3. Step 3: Cross multiply
    533,488.47x = 736,186.89 × 291,724.12
  4. Step 4: Simplify right side
    533,488.47x = 214,763,472,640.79
  5. Step 5: Solve for x
    x = 214,763,472,640.79/533,488.47
  6. Step 6: Final answer
    x = 402,564.41

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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.