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Finding the Fourth Proportional to 224,301.60, 335,998.80 and 139,802.40

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Solution

The fourth proportional to 224,301.60, 335,998.80 and 139,802.40 is: 209,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,301.60 : 335,998.80 = 139,802.40 : x
  2. Step 2: Convert to fraction form
    224,301.60/335,998.80 = 139,802.40/x
  3. Step 3: Cross multiply
    224,301.60x = 335,998.80 × 139,802.40
  4. Step 4: Simplify right side
    224,301.60x = 46,973,438,637.12
  5. Step 5: Solve for x
    x = 46,973,438,637.12/224,301.60
  6. Step 6: Final answer
    x = 209,420.88

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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.