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Finding the Fourth Proportional to 438,204.64, 604,740.72 and 277,001.68

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Solution

The fourth proportional to 438,204.64, 604,740.72 and 277,001.68 is: 382,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,204.64 : 604,740.72 = 277,001.68 : x
  2. Step 2: Convert to fraction form
    438,204.64/604,740.72 = 277,001.68/x
  3. Step 3: Cross multiply
    438,204.64x = 604,740.72 × 277,001.68
  4. Step 4: Simplify right side
    438,204.64x = 167,514,195,404.41
  5. Step 5: Solve for x
    x = 167,514,195,404.41/438,204.64
  6. Step 6: Final answer
    x = 382,273.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.