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Finding the Fourth Proportional to 343,484.16, 515,540.56 and 175,125.20

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Solution

The fourth proportional to 343,484.16, 515,540.56 and 175,125.20 is: 262,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,484.16 : 515,540.56 = 175,125.20 : x
  2. Step 2: Convert to fraction form
    343,484.16/515,540.56 = 175,125.20/x
  3. Step 3: Cross multiply
    343,484.16x = 515,540.56 × 175,125.20
  4. Step 4: Simplify right side
    343,484.16x = 90,284,143,678.11
  5. Step 5: Solve for x
    x = 90,284,143,678.11/343,484.16
  6. Step 6: Final answer
    x = 262,848.06

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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.