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Finding the Fourth Proportional to 659,956.17, 910,752.41 and 430,660.16

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Solution

The fourth proportional to 659,956.17, 910,752.41 and 430,660.16 is: 594,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,956.17 : 910,752.41 = 430,660.16 : x
  2. Step 2: Convert to fraction form
    659,956.17/910,752.41 = 430,660.16/x
  3. Step 3: Cross multiply
    659,956.17x = 910,752.41 × 430,660.16
  4. Step 4: Simplify right side
    659,956.17x = 392,224,778,549.20
  5. Step 5: Solve for x
    x = 392,224,778,549.20/659,956.17
  6. Step 6: Final answer
    x = 594,319.43

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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.