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Finding the Fourth Proportional to 566,657.43, 781,748.67 and 375,338.67

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Solution

The fourth proportional to 566,657.43, 781,748.67 and 375,338.67 is: 517,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,657.43 : 781,748.67 = 375,338.67 : x
  2. Step 2: Convert to fraction form
    566,657.43/781,748.67 = 375,338.67/x
  3. Step 3: Cross multiply
    566,657.43x = 781,748.67 × 375,338.67
  4. Step 4: Simplify right side
    566,657.43x = 293,420,506,072.07
  5. Step 5: Solve for x
    x = 293,420,506,072.07/566,657.43
  6. Step 6: Final answer
    x = 517,809.33

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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.