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Finding the Fourth Proportional to 567,498.35, 783,008.48 and 373,884.59

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Solution

The fourth proportional to 567,498.35, 783,008.48 and 373,884.59 is: 515,868.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,498.35 : 783,008.48 = 373,884.59 : x
  2. Step 2: Convert to fraction form
    567,498.35/783,008.48 = 373,884.59/x
  3. Step 3: Cross multiply
    567,498.35x = 783,008.48 × 373,884.59
  4. Step 4: Simplify right side
    567,498.35x = 292,754,798,726.86
  5. Step 5: Solve for x
    x = 292,754,798,726.86/567,498.35
  6. Step 6: Final answer
    x = 515,868.99

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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.