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Finding the Fourth Proportional to 292,866.08, 404,045.52 and 172,011.20

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Solution

The fourth proportional to 292,866.08, 404,045.52 and 172,011.20 is: 237,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,866.08 : 404,045.52 = 172,011.20 : x
  2. Step 2: Convert to fraction form
    292,866.08/404,045.52 = 172,011.20/x
  3. Step 3: Cross multiply
    292,866.08x = 404,045.52 × 172,011.20
  4. Step 4: Simplify right side
    292,866.08x = 69,500,354,749.82
  5. Step 5: Solve for x
    x = 69,500,354,749.82/292,866.08
  6. Step 6: Final answer
    x = 237,311.04

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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.