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Finding the Fourth Proportional to 610,863.52, 915,360.06 and 255,684.16

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Solution

The fourth proportional to 610,863.52, 915,360.06 and 255,684.16 is: 383,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,863.52 : 915,360.06 = 255,684.16 : x
  2. Step 2: Convert to fraction form
    610,863.52/915,360.06 = 255,684.16/x
  3. Step 3: Cross multiply
    610,863.52x = 915,360.06 × 255,684.16
  4. Step 4: Simplify right side
    610,863.52x = 234,043,068,038.65
  5. Step 5: Solve for x
    x = 234,043,068,038.65/610,863.52
  6. Step 6: Final answer
    x = 383,134.79

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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.