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Finding the Fourth Proportional to 576,019.20, 864,028.80 and 534,547.20

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Solution

The fourth proportional to 576,019.20, 864,028.80 and 534,547.20 is: 801,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,019.20 : 864,028.80 = 534,547.20 : x
  2. Step 2: Convert to fraction form
    576,019.20/864,028.80 = 534,547.20/x
  3. Step 3: Cross multiply
    576,019.20x = 864,028.80 × 534,547.20
  4. Step 4: Simplify right side
    576,019.20x = 461,864,175,759.36
  5. Step 5: Solve for x
    x = 461,864,175,759.36/576,019.20
  6. Step 6: Final answer
    x = 801,820.80

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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.