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Finding the Fourth Proportional to 710,879.88, 1,066,319.82 and 237,565.22

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Solution

The fourth proportional to 710,879.88, 1,066,319.82 and 237,565.22 is: 356,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,879.88 : 1,066,319.82 = 237,565.22 : x
  2. Step 2: Convert to fraction form
    710,879.88/1,066,319.82 = 237,565.22/x
  3. Step 3: Cross multiply
    710,879.88x = 1,066,319.82 × 237,565.22
  4. Step 4: Simplify right side
    710,879.88x = 253,320,502,628.66
  5. Step 5: Solve for x
    x = 253,320,502,628.66/710,879.88
  6. Step 6: Final answer
    x = 356,347.83

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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.