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Finding the Fourth Proportional to 610,439.40, 915,659.10 and 584,523.45

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Solution

The fourth proportional to 610,439.40, 915,659.10 and 584,523.45 is: 876,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,439.40 : 915,659.10 = 584,523.45 : x
  2. Step 2: Convert to fraction form
    610,439.40/915,659.10 = 584,523.45/x
  3. Step 3: Cross multiply
    610,439.40x = 915,659.10 × 584,523.45
  4. Step 4: Simplify right side
    610,439.40x = 535,224,216,155.90
  5. Step 5: Solve for x
    x = 535,224,216,155.90/610,439.40
  6. Step 6: Final answer
    x = 876,785.18

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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.