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Finding the Fourth Proportional to 343,969.18, 474,661.47 and 191,017.06

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Solution

The fourth proportional to 343,969.18, 474,661.47 and 191,017.06 is: 263,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,969.18 : 474,661.47 = 191,017.06 : x
  2. Step 2: Convert to fraction form
    343,969.18/474,661.47 = 191,017.06/x
  3. Step 3: Cross multiply
    343,969.18x = 474,661.47 × 191,017.06
  4. Step 4: Simplify right side
    343,969.18x = 90,668,438,494.68
  5. Step 5: Solve for x
    x = 90,668,438,494.68/343,969.18
  6. Step 6: Final answer
    x = 263,594.66

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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.