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Finding the Fourth Proportional to 369,044.72, 509,376.72 and 240,304.54

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Solution

The fourth proportional to 369,044.72, 509,376.72 and 240,304.54 is: 331,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,044.72 : 509,376.72 = 240,304.54 : x
  2. Step 2: Convert to fraction form
    369,044.72/509,376.72 = 240,304.54/x
  3. Step 3: Cross multiply
    369,044.72x = 509,376.72 × 240,304.54
  4. Step 4: Simplify right side
    369,044.72x = 122,405,538,386.31
  5. Step 5: Solve for x
    x = 122,405,538,386.31/369,044.72
  6. Step 6: Final answer
    x = 331,682.13

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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.