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Finding the Fourth Proportional to 373,194.40, 559,652.28 and 120,411.40

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Solution

The fourth proportional to 373,194.40, 559,652.28 and 120,411.40 is: 180,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,194.40 : 559,652.28 = 120,411.40 : x
  2. Step 2: Convert to fraction form
    373,194.40/559,652.28 = 120,411.40/x
  3. Step 3: Cross multiply
    373,194.40x = 559,652.28 × 120,411.40
  4. Step 4: Simplify right side
    373,194.40x = 67,388,514,547.99
  5. Step 5: Solve for x
    x = 67,388,514,547.99/373,194.40
  6. Step 6: Final answer
    x = 180,572.15

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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.