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Finding the Fourth Proportional to 600,139.80, 900,209.70 and 496,459.80

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Solution

The fourth proportional to 600,139.80, 900,209.70 and 496,459.80 is: 744,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,139.80 : 900,209.70 = 496,459.80 : x
  2. Step 2: Convert to fraction form
    600,139.80/900,209.70 = 496,459.80/x
  3. Step 3: Cross multiply
    600,139.80x = 900,209.70 × 496,459.80
  4. Step 4: Simplify right side
    600,139.80x = 446,917,927,620.06
  5. Step 5: Solve for x
    x = 446,917,927,620.06/600,139.80
  6. Step 6: Final answer
    x = 744,689.70

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Similar ratio
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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.