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Finding the Fourth Proportional to 586,091.58, 878,491.53 and 383,444.16

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Solution

The fourth proportional to 586,091.58, 878,491.53 and 383,444.16 is: 574,743.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,091.58 : 878,491.53 = 383,444.16 : x
  2. Step 2: Convert to fraction form
    586,091.58/878,491.53 = 383,444.16/x
  3. Step 3: Cross multiply
    586,091.58x = 878,491.53 × 383,444.16
  4. Step 4: Simplify right side
    586,091.58x = 336,852,446,787.97
  5. Step 5: Solve for x
    x = 336,852,446,787.97/586,091.58
  6. Step 6: Final answer
    x = 574,743.71

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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.