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Finding the Fourth Proportional to 360,230.80, 497,085.82 and 207,228.28

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Solution

The fourth proportional to 360,230.80, 497,085.82 and 207,228.28 is: 285,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,230.80 : 497,085.82 = 207,228.28 : x
  2. Step 2: Convert to fraction form
    360,230.80/497,085.82 = 207,228.28/x
  3. Step 3: Cross multiply
    360,230.80x = 497,085.82 × 207,228.28
  4. Step 4: Simplify right side
    360,230.80x = 103,010,239,490.99
  5. Step 5: Solve for x
    x = 103,010,239,490.99/360,230.80
  6. Step 6: Final answer
    x = 285,956.22

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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.