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Finding the Fourth Proportional to 444,345.04, 612,558.24 and 316,799.20

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Solution

The fourth proportional to 444,345.04, 612,558.24 and 316,799.20 is: 436,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,345.04 : 612,558.24 = 316,799.20 : x
  2. Step 2: Convert to fraction form
    444,345.04/612,558.24 = 316,799.20/x
  3. Step 3: Cross multiply
    444,345.04x = 612,558.24 × 316,799.20
  4. Step 4: Simplify right side
    444,345.04x = 194,057,960,385.41
  5. Step 5: Solve for x
    x = 194,057,960,385.41/444,345.04
  6. Step 6: Final answer
    x = 436,728.09

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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.