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Finding the Fourth Proportional to 444,252.25, 612,430.40 and 316,706.41

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Solution

The fourth proportional to 444,252.25, 612,430.40 and 316,706.41 is: 436,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,252.25 : 612,430.40 = 316,706.41 : x
  2. Step 2: Convert to fraction form
    444,252.25/612,430.40 = 316,706.41/x
  3. Step 3: Cross multiply
    444,252.25x = 612,430.40 × 316,706.41
  4. Step 4: Simplify right side
    444,252.25x = 193,960,630,296.71
  5. Step 5: Solve for x
    x = 193,960,630,296.71/444,252.25
  6. Step 6: Final answer
    x = 436,600.23

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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.