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Finding the Fourth Proportional to 343,446.71, 473,984.78 and 190,534.13

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Solution

The fourth proportional to 343,446.71, 473,984.78 and 190,534.13 is: 262,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,446.71 : 473,984.78 = 190,534.13 : x
  2. Step 2: Convert to fraction form
    343,446.71/473,984.78 = 190,534.13/x
  3. Step 3: Cross multiply
    343,446.71x = 473,984.78 × 190,534.13
  4. Step 4: Simplify right side
    343,446.71x = 90,310,276,737.87
  5. Step 5: Solve for x
    x = 90,310,276,737.87/343,446.71
  6. Step 6: Final answer
    x = 262,952.81

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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.