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Finding the Fourth Proportional to 539,547.96, 809,321.40 and 160,467.15

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Solution

The fourth proportional to 539,547.96, 809,321.40 and 160,467.15 is: 240,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,547.96 : 809,321.40 = 160,467.15 : x
  2. Step 2: Convert to fraction form
    539,547.96/809,321.40 = 160,467.15/x
  3. Step 3: Cross multiply
    539,547.96x = 809,321.40 × 160,467.15
  4. Step 4: Simplify right side
    539,547.96x = 129,869,498,492.01
  5. Step 5: Solve for x
    x = 129,869,498,492.01/539,547.96
  6. Step 6: Final answer
    x = 240,700.56

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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.