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Finding the Fourth Proportional to 417,068.88, 625,506.72 and 248,636.40

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Solution

The fourth proportional to 417,068.88, 625,506.72 and 248,636.40 is: 372,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,068.88 : 625,506.72 = 248,636.40 : x
  2. Step 2: Convert to fraction form
    417,068.88/625,506.72 = 248,636.40/x
  3. Step 3: Cross multiply
    417,068.88x = 625,506.72 × 248,636.40
  4. Step 4: Simplify right side
    417,068.88x = 155,523,739,036.61
  5. Step 5: Solve for x
    x = 155,523,739,036.61/417,068.88
  6. Step 6: Final answer
    x = 372,897.01

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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.