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Finding the Fourth Proportional to 315,642.04, 473,573.78 and 163,766.09

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Solution

The fourth proportional to 315,642.04, 473,573.78 and 163,766.09 is: 245,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,642.04 : 473,573.78 = 163,766.09 : x
  2. Step 2: Convert to fraction form
    315,642.04/473,573.78 = 163,766.09/x
  3. Step 3: Cross multiply
    315,642.04x = 473,573.78 × 163,766.09
  4. Step 4: Simplify right side
    315,642.04x = 77,555,326,277.12
  5. Step 5: Solve for x
    x = 77,555,326,277.12/315,642.04
  6. Step 6: Final answer
    x = 245,706.58

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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.