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Finding the Fourth Proportional to 444,248.12, 612,424.72 and 316,702.28

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Solution

The fourth proportional to 444,248.12, 612,424.72 and 316,702.28 is: 436,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,248.12 : 612,424.72 = 316,702.28 : x
  2. Step 2: Convert to fraction form
    444,248.12/612,424.72 = 316,702.28/x
  3. Step 3: Cross multiply
    444,248.12x = 612,424.72 × 316,702.28
  4. Step 4: Simplify right side
    444,248.12x = 193,956,305,152.36
  5. Step 5: Solve for x
    x = 193,956,305,152.36/444,248.12
  6. Step 6: Final answer
    x = 436,594.54

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1.5x scale

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.