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Finding the Fourth Proportional to 533,858.57, 736,724.90 and 292,141.19

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Solution

The fourth proportional to 533,858.57, 736,724.90 and 292,141.19 is: 403,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,858.57 : 736,724.90 = 292,141.19 : x
  2. Step 2: Convert to fraction form
    533,858.57/736,724.90 = 292,141.19/x
  3. Step 3: Cross multiply
    533,858.57x = 736,724.90 × 292,141.19
  4. Step 4: Simplify right side
    533,858.57x = 215,227,689,369.74
  5. Step 5: Solve for x
    x = 215,227,689,369.74/533,858.57
  6. Step 6: Final answer
    x = 403,154.89

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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.