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Finding the Fourth Proportional to 554,345.20, 832,003.80 and 329,424.40

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Solution

The fourth proportional to 554,345.20, 832,003.80 and 329,424.40 is: 494,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,345.20 : 832,003.80 = 329,424.40 : x
  2. Step 2: Convert to fraction form
    554,345.20/832,003.80 = 329,424.40/x
  3. Step 3: Cross multiply
    554,345.20x = 832,003.80 × 329,424.40
  4. Step 4: Simplify right side
    554,345.20x = 274,082,352,612.72
  5. Step 5: Solve for x
    x = 274,082,352,612.72/554,345.20
  6. Step 6: Final answer
    x = 494,425.41

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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.