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Finding the Fourth Proportional to 544,615.30, 817,032.30 and 456,479.20

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Solution

The fourth proportional to 544,615.30, 817,032.30 and 456,479.20 is: 684,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,615.30 : 817,032.30 = 456,479.20 : x
  2. Step 2: Convert to fraction form
    544,615.30/817,032.30 = 456,479.20/x
  3. Step 3: Cross multiply
    544,615.30x = 817,032.30 × 456,479.20
  4. Step 4: Simplify right side
    544,615.30x = 372,958,250,678.16
  5. Step 5: Solve for x
    x = 372,958,250,678.16/544,615.30
  6. Step 6: Final answer
    x = 684,810.45

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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.