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Finding the Fourth Proportional to 605,306.48, 835,261.12 and 372,696.48

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Solution

The fourth proportional to 605,306.48, 835,261.12 and 372,696.48 is: 514,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,306.48 : 835,261.12 = 372,696.48 : x
  2. Step 2: Convert to fraction form
    605,306.48/835,261.12 = 372,696.48/x
  3. Step 3: Cross multiply
    605,306.48x = 835,261.12 × 372,696.48
  4. Step 4: Simplify right side
    605,306.48x = 311,298,879,304.86
  5. Step 5: Solve for x
    x = 311,298,879,304.86/605,306.48
  6. Step 6: Final answer
    x = 514,283.08

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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.