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Finding the Fourth Proportional to 316,106.52, 474,530.22 and 249,591.48

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Solution

The fourth proportional to 316,106.52, 474,530.22 and 249,591.48 is: 374,679.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,106.52 : 474,530.22 = 249,591.48 : x
  2. Step 2: Convert to fraction form
    316,106.52/474,530.22 = 249,591.48/x
  3. Step 3: Cross multiply
    316,106.52x = 474,530.22 × 249,591.48
  4. Step 4: Simplify right side
    316,106.52x = 118,438,699,914.53
  5. Step 5: Solve for x
    x = 118,438,699,914.53/316,106.52
  6. Step 6: Final answer
    x = 374,679.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.