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Finding the Fourth Proportional to 242,347.20, 363,477.60 and 153,441.60

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Solution

The fourth proportional to 242,347.20, 363,477.60 and 153,441.60 is: 230,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,347.20 : 363,477.60 = 153,441.60 : x
  2. Step 2: Convert to fraction form
    242,347.20/363,477.60 = 153,441.60/x
  3. Step 3: Cross multiply
    242,347.20x = 363,477.60 × 153,441.60
  4. Step 4: Simplify right side
    242,347.20x = 55,772,584,508.16
  5. Step 5: Solve for x
    x = 55,772,584,508.16/242,347.20
  6. Step 6: Final answer
    x = 230,135.05

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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.