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Finding the Fourth Proportional to 424,442.63, 585,814.03 and 243,275.98

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Solution

The fourth proportional to 424,442.63, 585,814.03 and 243,275.98 is: 335,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,442.63 : 585,814.03 = 243,275.98 : x
  2. Step 2: Convert to fraction form
    424,442.63/585,814.03 = 243,275.98/x
  3. Step 3: Cross multiply
    424,442.63x = 585,814.03 × 243,275.98
  4. Step 4: Simplify right side
    424,442.63x = 142,514,482,370.08
  5. Step 5: Solve for x
    x = 142,514,482,370.08/424,442.63
  6. Step 6: Final answer
    x = 335,768.54

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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.