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Finding the Fourth Proportional to 599,995.40, 900,002.70 and 156,763.40

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Solution

The fourth proportional to 599,995.40, 900,002.70 and 156,763.40 is: 235,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,995.40 : 900,002.70 = 156,763.40 : x
  2. Step 2: Convert to fraction form
    599,995.40/900,002.70 = 156,763.40/x
  3. Step 3: Cross multiply
    599,995.40x = 900,002.70 × 156,763.40
  4. Step 4: Simplify right side
    599,995.40x = 141,087,483,261.18
  5. Step 5: Solve for x
    x = 141,087,483,261.18/599,995.40
  6. Step 6: Final answer
    x = 235,147.61

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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.