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Finding the Fourth Proportional to 1,719,655.04, 2,579,479.52 and 457,482.66

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Solution

The fourth proportional to 1,719,655.04, 2,579,479.52 and 457,482.66 is: 686,223.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,655.04 : 2,579,479.52 = 457,482.66 : x
  2. Step 2: Convert to fraction form
    1,719,655.04/2,579,479.52 = 457,482.66/x
  3. Step 3: Cross multiply
    1,719,655.04x = 2,579,479.52 × 457,482.66
  4. Step 4: Simplify right side
    1,719,655.04x = 1,180,067,149,937.71
  5. Step 5: Solve for x
    x = 1,180,067,149,937.71/1,719,655.04
  6. Step 6: Final answer
    x = 686,223.18

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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.