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Finding the Fourth Proportional to 442,248.90, 610,303.68 and 251,262.60

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Solution

The fourth proportional to 442,248.90, 610,303.68 and 251,262.60 is: 346,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,248.90 : 610,303.68 = 251,262.60 : x
  2. Step 2: Convert to fraction form
    442,248.90/610,303.68 = 251,262.60/x
  3. Step 3: Cross multiply
    442,248.90x = 610,303.68 × 251,262.60
  4. Step 4: Simplify right side
    442,248.90x = 153,346,489,426.37
  5. Step 5: Solve for x
    x = 153,346,489,426.37/442,248.90
  6. Step 6: Final answer
    x = 346,742.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.