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Finding the Fourth Proportional to 544,681.80, 817,022.70 and 456,764.40

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Solution

The fourth proportional to 544,681.80, 817,022.70 and 456,764.40 is: 685,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,681.80 : 817,022.70 = 456,764.40 : x
  2. Step 2: Convert to fraction form
    544,681.80/817,022.70 = 456,764.40/x
  3. Step 3: Cross multiply
    544,681.80x = 817,022.70 × 456,764.40
  4. Step 4: Simplify right side
    544,681.80x = 373,186,883,351.88
  5. Step 5: Solve for x
    x = 373,186,883,351.88/544,681.80
  6. Step 6: Final answer
    x = 685,146.60

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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.