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Finding the Fourth Proportional to 360,657.99, 497,745 and 207,701.91

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Solution

The fourth proportional to 360,657.99, 497,745 and 207,701.91 is: 286,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,657.99 : 497,745 = 207,701.91 : x
  2. Step 2: Convert to fraction form
    360,657.99/497,745 = 207,701.91/x
  3. Step 3: Cross multiply
    360,657.99x = 497,745 × 207,701.91
  4. Step 4: Simplify right side
    360,657.99x = 103,382,587,192.95
  5. Step 5: Solve for x
    x = 103,382,587,192.95/360,657.99
  6. Step 6: Final answer
    x = 286,649.93

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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.