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Finding the Fourth Proportional to 672,024.20, 927,443.70 and 370,219.40

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Solution

The fourth proportional to 672,024.20, 927,443.70 and 370,219.40 is: 510,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,024.20 : 927,443.70 = 370,219.40 : x
  2. Step 2: Convert to fraction form
    672,024.20/927,443.70 = 370,219.40/x
  3. Step 3: Cross multiply
    672,024.20x = 927,443.70 × 370,219.40
  4. Step 4: Simplify right side
    672,024.20x = 343,357,650,147.78
  5. Step 5: Solve for x
    x = 343,357,650,147.78/672,024.20
  6. Step 6: Final answer
    x = 510,930.48

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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.