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Finding the Fourth Proportional to 539,363.10, 744,006.84 and 345,701.82

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Solution

The fourth proportional to 539,363.10, 744,006.84 and 345,701.82 is: 476,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,363.10 : 744,006.84 = 345,701.82 : x
  2. Step 2: Convert to fraction form
    539,363.10/744,006.84 = 345,701.82/x
  3. Step 3: Cross multiply
    539,363.10x = 744,006.84 × 345,701.82
  4. Step 4: Simplify right side
    539,363.10x = 257,204,518,680.45
  5. Step 5: Solve for x
    x = 257,204,518,680.45/539,363.10
  6. Step 6: Final answer
    x = 476,867.10

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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.