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Finding the Fourth Proportional to 539,106.24, 808,648.32 and 239,505.60

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Solution

The fourth proportional to 539,106.24, 808,648.32 and 239,505.60 is: 359,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,106.24 : 808,648.32 = 239,505.60 : x
  2. Step 2: Convert to fraction form
    539,106.24/808,648.32 = 239,505.60/x
  3. Step 3: Cross multiply
    539,106.24x = 808,648.32 × 239,505.60
  4. Step 4: Simplify right side
    539,106.24x = 193,675,801,070.59
  5. Step 5: Solve for x
    x = 193,675,801,070.59/539,106.24
  6. Step 6: Final answer
    x = 359,253.50

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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.