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Finding the Fourth Proportional to 544,686.80, 817,030.20 and 456,769.40

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Solution

The fourth proportional to 544,686.80, 817,030.20 and 456,769.40 is: 685,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,686.80 : 817,030.20 = 456,769.40 : x
  2. Step 2: Convert to fraction form
    544,686.80/817,030.20 = 456,769.40/x
  3. Step 3: Cross multiply
    544,686.80x = 817,030.20 × 456,769.40
  4. Step 4: Simplify right side
    544,686.80x = 373,194,394,235.88
  5. Step 5: Solve for x
    x = 373,194,394,235.88/544,686.80
  6. Step 6: Final answer
    x = 685,154.10

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Similar ratio
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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.