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Finding the Fourth Proportional to 564,259.01, 778,677.48 and 322,546.86

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Solution

The fourth proportional to 564,259.01, 778,677.48 and 322,546.86 is: 445,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,259.01 : 778,677.48 = 322,546.86 : x
  2. Step 2: Convert to fraction form
    564,259.01/778,677.48 = 322,546.86/x
  3. Step 3: Cross multiply
    564,259.01x = 778,677.48 × 322,546.86
  4. Step 4: Simplify right side
    564,259.01x = 251,159,976,126.71
  5. Step 5: Solve for x
    x = 251,159,976,126.71/564,259.01
  6. Step 6: Final answer
    x = 445,114.70

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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.