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Finding the Fourth Proportional to 371,468.43, 556,887.91 and 146,987.26

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Solution

The fourth proportional to 371,468.43, 556,887.91 and 146,987.26 is: 220,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,468.43 : 556,887.91 = 146,987.26 : x
  2. Step 2: Convert to fraction form
    371,468.43/556,887.91 = 146,987.26/x
  3. Step 3: Cross multiply
    371,468.43x = 556,887.91 × 146,987.26
  4. Step 4: Simplify right side
    371,468.43x = 81,855,426,533.94
  5. Step 5: Solve for x
    x = 81,855,426,533.94/371,468.43
  6. Step 6: Final answer
    x = 220,356.35

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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.