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Finding the Fourth Proportional to 445,506.30, 668,259.45 and 232,929.90

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Solution

The fourth proportional to 445,506.30, 668,259.45 and 232,929.90 is: 349,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,506.30 : 668,259.45 = 232,929.90 : x
  2. Step 2: Convert to fraction form
    445,506.30/668,259.45 = 232,929.90/x
  3. Step 3: Cross multiply
    445,506.30x = 668,259.45 × 232,929.90
  4. Step 4: Simplify right side
    445,506.30x = 155,657,606,862.56
  5. Step 5: Solve for x
    x = 155,657,606,862.56/445,506.30
  6. Step 6: Final answer
    x = 349,394.85

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1.5x scale

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.