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Finding the Fourth Proportional to 533,565.70, 736,384.18 and 307,255.30

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Solution

The fourth proportional to 533,565.70, 736,384.18 and 307,255.30 is: 424,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,565.70 : 736,384.18 = 307,255.30 : x
  2. Step 2: Convert to fraction form
    533,565.70/736,384.18 = 307,255.30/x
  3. Step 3: Cross multiply
    533,565.70x = 736,384.18 × 307,255.30
  4. Step 4: Simplify right side
    533,565.70x = 226,257,942,141.15
  5. Step 5: Solve for x
    x = 226,257,942,141.15/533,565.70
  6. Step 6: Final answer
    x = 424,048.89

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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.