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Finding the Fourth Proportional to 609,264.80, 913,897.20 and 166,032.80

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Solution

The fourth proportional to 609,264.80, 913,897.20 and 166,032.80 is: 249,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,264.80 : 913,897.20 = 166,032.80 : x
  2. Step 2: Convert to fraction form
    609,264.80/913,897.20 = 166,032.80/x
  3. Step 3: Cross multiply
    609,264.80x = 913,897.20 × 166,032.80
  4. Step 4: Simplify right side
    609,264.80x = 151,736,911,028.16
  5. Step 5: Solve for x
    x = 151,736,911,028.16/609,264.80
  6. Step 6: Final answer
    x = 249,049.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.