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Finding the Fourth Proportional to 502,547.20, 753,820.80 and 360,829.60

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Solution

The fourth proportional to 502,547.20, 753,820.80 and 360,829.60 is: 541,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,547.20 : 753,820.80 = 360,829.60 : x
  2. Step 2: Convert to fraction form
    502,547.20/753,820.80 = 360,829.60/x
  3. Step 3: Cross multiply
    502,547.20x = 753,820.80 × 360,829.60
  4. Step 4: Simplify right side
    502,547.20x = 272,000,857,735.68
  5. Step 5: Solve for x
    x = 272,000,857,735.68/502,547.20
  6. Step 6: Final answer
    x = 541,244.40

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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.