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Finding the Fourth Proportional to 343,373.28, 473,846.56 and 190,412.16

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Solution

The fourth proportional to 343,373.28, 473,846.56 and 190,412.16 is: 262,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,373.28 : 473,846.56 = 190,412.16 : x
  2. Step 2: Convert to fraction form
    343,373.28/473,846.56 = 190,412.16/x
  3. Step 3: Cross multiply
    343,373.28x = 473,846.56 × 190,412.16
  4. Step 4: Simplify right side
    343,373.28x = 90,226,146,998.17
  5. Step 5: Solve for x
    x = 90,226,146,998.17/343,373.28
  6. Step 6: Final answer
    x = 262,764.03

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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.