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Finding the Fourth Proportional to 259,430.90, 358,023.51 and 150,527.01

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Solution

The fourth proportional to 259,430.90, 358,023.51 and 150,527.01 is: 207,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,430.90 : 358,023.51 = 150,527.01 : x
  2. Step 2: Convert to fraction form
    259,430.90/358,023.51 = 150,527.01/x
  3. Step 3: Cross multiply
    259,430.90x = 358,023.51 × 150,527.01
  4. Step 4: Simplify right side
    259,430.90x = 53,892,209,812.59
  5. Step 5: Solve for x
    x = 53,892,209,812.59/259,430.90
  6. Step 6: Final answer
    x = 207,732.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.