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Finding the Fourth Proportional to 466,404.80, 699,607.20 and 170,878.40

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Solution

The fourth proportional to 466,404.80, 699,607.20 and 170,878.40 is: 256,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,404.80 : 699,607.20 = 170,878.40 : x
  2. Step 2: Convert to fraction form
    466,404.80/699,607.20 = 170,878.40/x
  3. Step 3: Cross multiply
    466,404.80x = 699,607.20 × 170,878.40
  4. Step 4: Simplify right side
    466,404.80x = 119,547,758,964.48
  5. Step 5: Solve for x
    x = 119,547,758,964.48/466,404.80
  6. Step 6: Final answer
    x = 256,317.60

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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.