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Finding the Fourth Proportional to 693,657, 957,246.66 and 375,705

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Solution

The fourth proportional to 693,657, 957,246.66 and 375,705 is: 518,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,657 : 957,246.66 = 375,705 : x
  2. Step 2: Convert to fraction form
    693,657/957,246.66 = 375,705/x
  3. Step 3: Cross multiply
    693,657x = 957,246.66 × 375,705
  4. Step 4: Simplify right side
    693,657x = 359,642,356,395.30
  5. Step 5: Solve for x
    x = 359,642,356,395.30/693,657
  6. Step 6: Final answer
    x = 518,472.90

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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.