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Finding the Fourth Proportional to 338,070.70, 507,387.63 and 178,204.04

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Solution

The fourth proportional to 338,070.70, 507,387.63 and 178,204.04 is: 267,454.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,070.70 : 507,387.63 = 178,204.04 : x
  2. Step 2: Convert to fraction form
    338,070.70/507,387.63 = 178,204.04/x
  3. Step 3: Cross multiply
    338,070.70x = 507,387.63 × 178,204.04
  4. Step 4: Simplify right side
    338,070.70x = 90,418,525,512.03
  5. Step 5: Solve for x
    x = 90,418,525,512.03/338,070.70
  6. Step 6: Final answer
    x = 267,454.49

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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.