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Finding the Fourth Proportional to 384,373.59, 530,246.89 and 248,524.03

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Solution

The fourth proportional to 384,373.59, 530,246.89 and 248,524.03 is: 342,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,373.59 : 530,246.89 = 248,524.03 : x
  2. Step 2: Convert to fraction form
    384,373.59/530,246.89 = 248,524.03/x
  3. Step 3: Cross multiply
    384,373.59x = 530,246.89 × 248,524.03
  4. Step 4: Simplify right side
    384,373.59x = 131,779,094,971.23
  5. Step 5: Solve for x
    x = 131,779,094,971.23/384,373.59
  6. Step 6: Final answer
    x = 342,841.18

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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.