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Finding the Fourth Proportional to 360,417.26, 497,363.27 and 197,077.58

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Solution

The fourth proportional to 360,417.26, 497,363.27 and 197,077.58 is: 271,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,417.26 : 497,363.27 = 197,077.58 : x
  2. Step 2: Convert to fraction form
    360,417.26/497,363.27 = 197,077.58/x
  3. Step 3: Cross multiply
    360,417.26x = 497,363.27 × 197,077.58
  4. Step 4: Simplify right side
    360,417.26x = 98,019,146,969.70
  5. Step 5: Solve for x
    x = 98,019,146,969.70/360,417.26
  6. Step 6: Final answer
    x = 271,960.19

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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.