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Finding the Fourth Proportional to 555,690.62, 766,852.98 and 301,041.74

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Solution

The fourth proportional to 555,690.62, 766,852.98 and 301,041.74 is: 415,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,690.62 : 766,852.98 = 301,041.74 : x
  2. Step 2: Convert to fraction form
    555,690.62/766,852.98 = 301,041.74/x
  3. Step 3: Cross multiply
    555,690.62x = 766,852.98 × 301,041.74
  4. Step 4: Simplify right side
    555,690.62x = 230,854,755,423.39
  5. Step 5: Solve for x
    x = 230,854,755,423.39/555,690.62
  6. Step 6: Final answer
    x = 415,437.56

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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.