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Finding the Fourth Proportional to 634,648.24, 952,905.48 and 261,400.24

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Solution

The fourth proportional to 634,648.24, 952,905.48 and 261,400.24 is: 392,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,648.24 : 952,905.48 = 261,400.24 : x
  2. Step 2: Convert to fraction form
    634,648.24/952,905.48 = 261,400.24/x
  3. Step 3: Cross multiply
    634,648.24x = 952,905.48 × 261,400.24
  4. Step 4: Simplify right side
    634,648.24x = 249,089,721,169.32
  5. Step 5: Solve for x
    x = 249,089,721,169.32/634,648.24
  6. Step 6: Final answer
    x = 392,484.70

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Similar ratio
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1.5x scale

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.