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Finding the Fourth Proportional to 402,367.68, 555,036.48 and 251,202.24

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Solution

The fourth proportional to 402,367.68, 555,036.48 and 251,202.24 is: 346,514.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,367.68 : 555,036.48 = 251,202.24 : x
  2. Step 2: Convert to fraction form
    402,367.68/555,036.48 = 251,202.24/x
  3. Step 3: Cross multiply
    402,367.68x = 555,036.48 × 251,202.24
  4. Step 4: Simplify right side
    402,367.68x = 139,426,407,057.72
  5. Step 5: Solve for x
    x = 139,426,407,057.72/402,367.68
  6. Step 6: Final answer
    x = 346,514.93

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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.