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Finding the Fourth Proportional to 894,580.60, 1,234,531.02 and 486,684.76

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Solution

The fourth proportional to 894,580.60, 1,234,531.02 and 486,684.76 is: 671,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,580.60 : 1,234,531.02 = 486,684.76 : x
  2. Step 2: Convert to fraction form
    894,580.60/1,234,531.02 = 486,684.76/x
  3. Step 3: Cross multiply
    894,580.60x = 1,234,531.02 × 486,684.76
  4. Step 4: Simplify right side
    894,580.60x = 600,827,433,181.26
  5. Step 5: Solve for x
    x = 600,827,433,181.26/894,580.60
  6. Step 6: Final answer
    x = 671,630.30

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Double scale
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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.