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Finding the Fourth Proportional to 526,897.71, 727,136.44 and 322,909.22

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Solution

The fourth proportional to 526,897.71, 727,136.44 and 322,909.22 is: 445,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,897.71 : 727,136.44 = 322,909.22 : x
  2. Step 2: Convert to fraction form
    526,897.71/727,136.44 = 322,909.22/x
  3. Step 3: Cross multiply
    526,897.71x = 727,136.44 × 322,909.22
  4. Step 4: Simplify right side
    526,897.71x = 234,799,062,478.37
  5. Step 5: Solve for x
    x = 234,799,062,478.37/526,897.71
  6. Step 6: Final answer
    x = 445,625.51

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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.