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Finding the Fourth Proportional to 530,789.29, 732,509.95 and 301,367.92

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Solution

The fourth proportional to 530,789.29, 732,509.95 and 301,367.92 is: 415,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,789.29 : 732,509.95 = 301,367.92 : x
  2. Step 2: Convert to fraction form
    530,789.29/732,509.95 = 301,367.92/x
  3. Step 3: Cross multiply
    530,789.29x = 732,509.95 × 301,367.92
  4. Step 4: Simplify right side
    530,789.29x = 220,754,995,594.83
  5. Step 5: Solve for x
    x = 220,754,995,594.83/530,789.29
  6. Step 6: Final answer
    x = 415,899.50

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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.