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Finding the Fourth Proportional to 316,169.60, 474,624.96 and 249,654.72

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Solution

The fourth proportional to 316,169.60, 474,624.96 and 249,654.72 is: 374,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,169.60 : 474,624.96 = 249,654.72 : x
  2. Step 2: Convert to fraction form
    316,169.60/474,624.96 = 249,654.72/x
  3. Step 3: Cross multiply
    316,169.60x = 474,624.96 × 249,654.72
  4. Step 4: Simplify right side
    316,169.60x = 118,492,361,493.81
  5. Step 5: Solve for x
    x = 118,492,361,493.81/316,169.60
  6. Step 6: Final answer
    x = 374,774.68

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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.