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Finding the Fourth Proportional to 532,728.24, 735,187.32 and 306,373.92

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Solution

The fourth proportional to 532,728.24, 735,187.32 and 306,373.92 is: 422,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,728.24 : 735,187.32 = 306,373.92 : x
  2. Step 2: Convert to fraction form
    532,728.24/735,187.32 = 306,373.92/x
  3. Step 3: Cross multiply
    532,728.24x = 735,187.32 × 306,373.92
  4. Step 4: Simplify right side
    532,728.24x = 225,242,221,162.69
  5. Step 5: Solve for x
    x = 225,242,221,162.69/532,728.24
  6. Step 6: Final answer
    x = 422,808.86

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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.