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Finding the Fourth Proportional to 591,728.80, 888,176.40 and 292,547.20

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Solution

The fourth proportional to 591,728.80, 888,176.40 and 292,547.20 is: 439,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,728.80 : 888,176.40 = 292,547.20 : x
  2. Step 2: Convert to fraction form
    591,728.80/888,176.40 = 292,547.20/x
  3. Step 3: Cross multiply
    591,728.80x = 888,176.40 × 292,547.20
  4. Step 4: Simplify right side
    591,728.80x = 259,833,518,926.08
  5. Step 5: Solve for x
    x = 259,833,518,926.08/591,728.80
  6. Step 6: Final answer
    x = 439,109.13

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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.