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Finding the Fourth Proportional to 539,172.06, 808,728.93 and 165,196.14

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Solution

The fourth proportional to 539,172.06, 808,728.93 and 165,196.14 is: 247,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,172.06 : 808,728.93 = 165,196.14 : x
  2. Step 2: Convert to fraction form
    539,172.06/808,728.93 = 165,196.14/x
  3. Step 3: Cross multiply
    539,172.06x = 808,728.93 × 165,196.14
  4. Step 4: Simplify right side
    539,172.06x = 133,598,897,542.33
  5. Step 5: Solve for x
    x = 133,598,897,542.33/539,172.06
  6. Step 6: Final answer
    x = 247,785.28

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1.5x scale

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.