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Finding the Fourth Proportional to 554,373.56, 765,036.68 and 299,724.74

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Solution

The fourth proportional to 554,373.56, 765,036.68 and 299,724.74 is: 413,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,373.56 : 765,036.68 = 299,724.74 : x
  2. Step 2: Convert to fraction form
    554,373.56/765,036.68 = 299,724.74/x
  3. Step 3: Cross multiply
    554,373.56x = 765,036.68 × 299,724.74
  4. Step 4: Simplify right side
    554,373.56x = 229,300,420,003.46
  5. Step 5: Solve for x
    x = 229,300,420,003.46/554,373.56
  6. Step 6: Final answer
    x = 413,620.77

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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.