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Finding the Fourth Proportional to 445,886.76, 615,322.08 and 264,747.58

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Solution

The fourth proportional to 445,886.76, 615,322.08 and 264,747.58 is: 365,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,886.76 : 615,322.08 = 264,747.58 : x
  2. Step 2: Convert to fraction form
    445,886.76/615,322.08 = 264,747.58/x
  3. Step 3: Cross multiply
    445,886.76x = 615,322.08 × 264,747.58
  4. Step 4: Simplify right side
    445,886.76x = 162,905,031,600.57
  5. Step 5: Solve for x
    x = 162,905,031,600.57/445,886.76
  6. Step 6: Final answer
    x = 365,350.68

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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.