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Finding the Fourth Proportional to 898,987.60, 1,348,481.40 and 366,234.40

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Solution

The fourth proportional to 898,987.60, 1,348,481.40 and 366,234.40 is: 549,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,987.60 : 1,348,481.40 = 366,234.40 : x
  2. Step 2: Convert to fraction form
    898,987.60/1,348,481.40 = 366,234.40/x
  3. Step 3: Cross multiply
    898,987.60x = 1,348,481.40 × 366,234.40
  4. Step 4: Simplify right side
    898,987.60x = 493,860,276,440.16
  5. Step 5: Solve for x
    x = 493,860,276,440.16/898,987.60
  6. Step 6: Final answer
    x = 549,351.60

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Double scale
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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.