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Finding the Fourth Proportional to 583,393.60, 873,340.80 and 346,614.40

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Solution

The fourth proportional to 583,393.60, 873,340.80 and 346,614.40 is: 518,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,393.60 : 873,340.80 = 346,614.40 : x
  2. Step 2: Convert to fraction form
    583,393.60/873,340.80 = 346,614.40/x
  3. Step 3: Cross multiply
    583,393.60x = 873,340.80 × 346,614.40
  4. Step 4: Simplify right side
    583,393.60x = 302,712,497,387.52
  5. Step 5: Solve for x
    x = 302,712,497,387.52/583,393.60
  6. Step 6: Final answer
    x = 518,882.10

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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.