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Finding the Fourth Proportional to 424,635.91, 586,001.65 and 233,653.40

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Solution

The fourth proportional to 424,635.91, 586,001.65 and 233,653.40 is: 322,443.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,635.91 : 586,001.65 = 233,653.40 : x
  2. Step 2: Convert to fraction form
    424,635.91/586,001.65 = 233,653.40/x
  3. Step 3: Cross multiply
    424,635.91x = 586,001.65 × 233,653.40
  4. Step 4: Simplify right side
    424,635.91x = 136,921,277,928.11
  5. Step 5: Solve for x
    x = 136,921,277,928.11/424,635.91
  6. Step 6: Final answer
    x = 322,443.94

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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.