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Finding the Fourth Proportional to 316,154.52, 474,602.22 and 249,639.48

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Solution

The fourth proportional to 316,154.52, 474,602.22 and 249,639.48 is: 374,751.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,154.52 : 474,602.22 = 249,639.48 : x
  2. Step 2: Convert to fraction form
    316,154.52/474,602.22 = 249,639.48/x
  3. Step 3: Cross multiply
    316,154.52x = 474,602.22 × 249,639.48
  4. Step 4: Simplify right side
    316,154.52x = 118,479,451,407.65
  5. Step 5: Solve for x
    x = 118,479,451,407.65/316,154.52
  6. Step 6: Final answer
    x = 374,751.72

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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.