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Finding the Fourth Proportional to 539,549.56, 744,619.62 and 297,878.68

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Solution

The fourth proportional to 539,549.56, 744,619.62 and 297,878.68 is: 411,095.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,549.56 : 744,619.62 = 297,878.68 : x
  2. Step 2: Convert to fraction form
    539,549.56/744,619.62 = 297,878.68/x
  3. Step 3: Cross multiply
    539,549.56x = 744,619.62 × 297,878.68
  4. Step 4: Simplify right side
    539,549.56x = 221,806,309,507.70
  5. Step 5: Solve for x
    x = 221,806,309,507.70/539,549.56
  6. Step 6: Final answer
    x = 411,095.34

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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.