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Finding the Fourth Proportional to 468,897.60, 703,346.40 and 153,278.40

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Solution

The fourth proportional to 468,897.60, 703,346.40 and 153,278.40 is: 229,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,897.60 : 703,346.40 = 153,278.40 : x
  2. Step 2: Convert to fraction form
    468,897.60/703,346.40 = 153,278.40/x
  3. Step 3: Cross multiply
    468,897.60x = 703,346.40 × 153,278.40
  4. Step 4: Simplify right side
    468,897.60x = 107,807,810,837.76
  5. Step 5: Solve for x
    x = 107,807,810,837.76/468,897.60
  6. Step 6: Final answer
    x = 229,917.60

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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.