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Finding the Fourth Proportional to 292,960.08, 404,281.40 and 172,112.40

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Solution

The fourth proportional to 292,960.08, 404,281.40 and 172,112.40 is: 237,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,960.08 : 404,281.40 = 172,112.40 : x
  2. Step 2: Convert to fraction form
    292,960.08/404,281.40 = 172,112.40/x
  3. Step 3: Cross multiply
    292,960.08x = 404,281.40 × 172,112.40
  4. Step 4: Simplify right side
    292,960.08x = 69,581,841,168.80
  5. Step 5: Solve for x
    x = 69,581,841,168.80/292,960.08
  6. Step 6: Final answer
    x = 237,513.05

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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.