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Finding the Fourth Proportional to 299,646.48, 413,595.54 and 172,363.08

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Solution

The fourth proportional to 299,646.48, 413,595.54 and 172,363.08 is: 237,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,646.48 : 413,595.54 = 172,363.08 : x
  2. Step 2: Convert to fraction form
    299,646.48/413,595.54 = 172,363.08/x
  3. Step 3: Cross multiply
    299,646.48x = 413,595.54 × 172,363.08
  4. Step 4: Simplify right side
    299,646.48x = 71,288,601,148.66
  5. Step 5: Solve for x
    x = 71,288,601,148.66/299,646.48
  6. Step 6: Final answer
    x = 237,909.02

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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.