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Finding the Fourth Proportional to 536,658.27, 740,572.76 and 307,207.95

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Solution

The fourth proportional to 536,658.27, 740,572.76 and 307,207.95 is: 423,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,658.27 : 740,572.76 = 307,207.95 : x
  2. Step 2: Convert to fraction form
    536,658.27/740,572.76 = 307,207.95/x
  3. Step 3: Cross multiply
    536,658.27x = 740,572.76 × 307,207.95
  4. Step 4: Simplify right side
    536,658.27x = 227,509,837,889.40
  5. Step 5: Solve for x
    x = 227,509,837,889.40/536,658.27
  6. Step 6: Final answer
    x = 423,938.01

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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.