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Finding the Fourth Proportional to 360,448.80, 497,429.82 and 197,114.91

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Solution

The fourth proportional to 360,448.80, 497,429.82 and 197,114.91 is: 272,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,448.80 : 497,429.82 = 197,114.91 : x
  2. Step 2: Convert to fraction form
    360,448.80/497,429.82 = 197,114.91/x
  3. Step 3: Cross multiply
    360,448.80x = 497,429.82 × 197,114.91
  4. Step 4: Simplify right side
    360,448.80x = 98,050,834,200.62
  5. Step 5: Solve for x
    x = 98,050,834,200.62/360,448.80
  6. Step 6: Final answer
    x = 272,024.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.