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Finding the Fourth Proportional to 372,732.30, 514,418.04 and 277,510.32

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Solution

The fourth proportional to 372,732.30, 514,418.04 and 277,510.32 is: 382,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,732.30 : 514,418.04 = 277,510.32 : x
  2. Step 2: Convert to fraction form
    372,732.30/514,418.04 = 277,510.32/x
  3. Step 3: Cross multiply
    372,732.30x = 514,418.04 × 277,510.32
  4. Step 4: Simplify right side
    372,732.30x = 142,756,314,894.17
  5. Step 5: Solve for x
    x = 142,756,314,894.17/372,732.30
  6. Step 6: Final answer
    x = 382,999.58

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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.