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Finding the Fourth Proportional to 293,312.16, 439,962.72 and 93,630.88

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Solution

The fourth proportional to 293,312.16, 439,962.72 and 93,630.88 is: 140,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,312.16 : 439,962.72 = 93,630.88 : x
  2. Step 2: Convert to fraction form
    293,312.16/439,962.72 = 93,630.88/x
  3. Step 3: Cross multiply
    293,312.16x = 439,962.72 × 93,630.88
  4. Step 4: Simplify right side
    293,312.16x = 41,194,096,640.79
  5. Step 5: Solve for x
    x = 41,194,096,640.79/293,312.16
  6. Step 6: Final answer
    x = 140,444.56

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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.