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Finding the Fourth Proportional to 424,685.80, 586,051.50 and 233,694.28

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Solution

The fourth proportional to 424,685.80, 586,051.50 and 233,694.28 is: 322,489.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,685.80 : 586,051.50 = 233,694.28 : x
  2. Step 2: Convert to fraction form
    424,685.80/586,051.50 = 233,694.28/x
  3. Step 3: Cross multiply
    424,685.80x = 586,051.50 × 233,694.28
  4. Step 4: Simplify right side
    424,685.80x = 136,956,883,335.42
  5. Step 5: Solve for x
    x = 136,956,883,335.42/424,685.80
  6. Step 6: Final answer
    x = 322,489.91

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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.