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Finding the Fourth Proportional to 598,161.90, 825,459.63 and 340,038.86

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Solution

The fourth proportional to 598,161.90, 825,459.63 and 340,038.86 is: 469,251.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,161.90 : 825,459.63 = 340,038.86 : x
  2. Step 2: Convert to fraction form
    598,161.90/825,459.63 = 340,038.86/x
  3. Step 3: Cross multiply
    598,161.90x = 825,459.63 × 340,038.86
  4. Step 4: Simplify right side
    598,161.90x = 280,688,351,561.22
  5. Step 5: Solve for x
    x = 280,688,351,561.22/598,161.90
  6. Step 6: Final answer
    x = 469,251.47

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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.