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Finding the Fourth Proportional to 347,573.90, 479,612.34 and 194,590.82

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Solution

The fourth proportional to 347,573.90, 479,612.34 and 194,590.82 is: 268,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,573.90 : 479,612.34 = 194,590.82 : x
  2. Step 2: Convert to fraction form
    347,573.90/479,612.34 = 194,590.82/x
  3. Step 3: Cross multiply
    347,573.90x = 479,612.34 × 194,590.82
  4. Step 4: Simplify right side
    347,573.90x = 93,328,159,721.75
  5. Step 5: Solve for x
    x = 93,328,159,721.75/347,573.90
  6. Step 6: Final answer
    x = 268,513.14

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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.