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Finding the Fourth Proportional to 539,335.98, 744,283.08 and 297,618.48

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Solution

The fourth proportional to 539,335.98, 744,283.08 and 297,618.48 is: 410,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,335.98 : 744,283.08 = 297,618.48 : x
  2. Step 2: Convert to fraction form
    539,335.98/744,283.08 = 297,618.48/x
  3. Step 3: Cross multiply
    539,335.98x = 744,283.08 × 297,618.48
  4. Step 4: Simplify right side
    539,335.98x = 221,512,398,959.32
  5. Step 5: Solve for x
    x = 221,512,398,959.32/539,335.98
  6. Step 6: Final answer
    x = 410,713.19

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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.