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Finding the Fourth Proportional to 233,419.40, 350,129.10 and 186,763.40

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Solution

The fourth proportional to 233,419.40, 350,129.10 and 186,763.40 is: 280,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,419.40 : 350,129.10 = 186,763.40 : x
  2. Step 2: Convert to fraction form
    233,419.40/350,129.10 = 186,763.40/x
  3. Step 3: Cross multiply
    233,419.40x = 350,129.10 × 186,763.40
  4. Step 4: Simplify right side
    233,419.40x = 65,391,301,154.94
  5. Step 5: Solve for x
    x = 65,391,301,154.94/233,419.40
  6. Step 6: Final answer
    x = 280,145.10

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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.