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Finding the Fourth Proportional to 607,182.40, 910,985 and 270,462.16

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Solution

The fourth proportional to 607,182.40, 910,985 and 270,462.16 is: 405,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,182.40 : 910,985 = 270,462.16 : x
  2. Step 2: Convert to fraction form
    607,182.40/910,985 = 270,462.16/x
  3. Step 3: Cross multiply
    607,182.40x = 910,985 × 270,462.16
  4. Step 4: Simplify right side
    607,182.40x = 246,386,970,827.60
  5. Step 5: Solve for x
    x = 246,386,970,827.60/607,182.40
  6. Step 6: Final answer
    x = 405,787.41

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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.