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Finding the Fourth Proportional to 340,352.88, 510,605.46 and 103,714.08

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Solution

The fourth proportional to 340,352.88, 510,605.46 and 103,714.08 is: 155,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,352.88 : 510,605.46 = 103,714.08 : x
  2. Step 2: Convert to fraction form
    340,352.88/510,605.46 = 103,714.08/x
  3. Step 3: Cross multiply
    340,352.88x = 510,605.46 × 103,714.08
  4. Step 4: Simplify right side
    340,352.88x = 52,956,975,526.88
  5. Step 5: Solve for x
    x = 52,956,975,526.88/340,352.88
  6. Step 6: Final answer
    x = 155,594.32

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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.