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Finding the Fourth Proportional to 330,430.92, 495,665.10 and 93,754.92

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Solution

The fourth proportional to 330,430.92, 495,665.10 and 93,754.92 is: 140,637.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,430.92 : 495,665.10 = 93,754.92 : x
  2. Step 2: Convert to fraction form
    330,430.92/495,665.10 = 93,754.92/x
  3. Step 3: Cross multiply
    330,430.92x = 495,665.10 × 93,754.92
  4. Step 4: Simplify right side
    330,430.92x = 46,471,041,797.29
  5. Step 5: Solve for x
    x = 46,471,041,797.29/330,430.92
  6. Step 6: Final answer
    x = 140,637.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.