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Finding the Fourth Proportional to 544,935.40, 817,403.10 and 165,855.40

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Solution

The fourth proportional to 544,935.40, 817,403.10 and 165,855.40 is: 248,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,935.40 : 817,403.10 = 165,855.40 : x
  2. Step 2: Convert to fraction form
    544,935.40/817,403.10 = 165,855.40/x
  3. Step 3: Cross multiply
    544,935.40x = 817,403.10 × 165,855.40
  4. Step 4: Simplify right side
    544,935.40x = 135,570,718,111.74
  5. Step 5: Solve for x
    x = 135,570,718,111.74/544,935.40
  6. Step 6: Final answer
    x = 248,783.10

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Similar ratio
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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.