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Finding the Fourth Proportional to 532,987.60, 799,481.40 and 153,907.60

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Solution

The fourth proportional to 532,987.60, 799,481.40 and 153,907.60 is: 230,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,987.60 : 799,481.40 = 153,907.60 : x
  2. Step 2: Convert to fraction form
    532,987.60/799,481.40 = 153,907.60/x
  3. Step 3: Cross multiply
    532,987.60x = 799,481.40 × 153,907.60
  4. Step 4: Simplify right side
    532,987.60x = 123,046,263,518.64
  5. Step 5: Solve for x
    x = 123,046,263,518.64/532,987.60
  6. Step 6: Final answer
    x = 230,861.40

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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.