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Finding the Fourth Proportional to 316,915.60, 475,223.03 and 183,836.65

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Solution

The fourth proportional to 316,915.60, 475,223.03 and 183,836.65 is: 275,667.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,915.60 : 475,223.03 = 183,836.65 : x
  2. Step 2: Convert to fraction form
    316,915.60/475,223.03 = 183,836.65/x
  3. Step 3: Cross multiply
    316,915.60x = 475,223.03 × 183,836.65
  4. Step 4: Simplify right side
    316,915.60x = 87,363,407,730.81
  5. Step 5: Solve for x
    x = 87,363,407,730.81/316,915.60
  6. Step 6: Final answer
    x = 275,667.74

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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.