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Finding the Fourth Proportional to 907,635.58, 1,252,527 and 499,729

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Solution

The fourth proportional to 907,635.58, 1,252,527 and 499,729 is: 689,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,635.58 : 1,252,527 = 499,729 : x
  2. Step 2: Convert to fraction form
    907,635.58/1,252,527 = 499,729/x
  3. Step 3: Cross multiply
    907,635.58x = 1,252,527 × 499,729
  4. Step 4: Simplify right side
    907,635.58x = 625,924,065,183
  5. Step 5: Solve for x
    x = 625,924,065,183/907,635.58
  6. Step 6: Final answer
    x = 689,620.46

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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.