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Finding the Fourth Proportional to 334,187.80, 501,281.70 and 245,614.30

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Solution

The fourth proportional to 334,187.80, 501,281.70 and 245,614.30 is: 368,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,187.80 : 501,281.70 = 245,614.30 : x
  2. Step 2: Convert to fraction form
    334,187.80/501,281.70 = 245,614.30/x
  3. Step 3: Cross multiply
    334,187.80x = 501,281.70 × 245,614.30
  4. Step 4: Simplify right side
    334,187.80x = 123,121,953,848.31
  5. Step 5: Solve for x
    x = 123,121,953,848.31/334,187.80
  6. Step 6: Final answer
    x = 368,421.45

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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.