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Finding the Fourth Proportional to 402,594, 555,579.72 and 232,839.06

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Solution

The fourth proportional to 402,594, 555,579.72 and 232,839.06 is: 321,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,594 : 555,579.72 = 232,839.06 : x
  2. Step 2: Convert to fraction form
    402,594/555,579.72 = 232,839.06/x
  3. Step 3: Cross multiply
    402,594x = 555,579.72 × 232,839.06
  4. Step 4: Simplify right side
    402,594x = 129,360,659,759.86
  5. Step 5: Solve for x
    x = 129,360,659,759.86/402,594
  6. Step 6: Final answer
    x = 321,317.90

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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.