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Finding the Fourth Proportional to 671,743.17, 926,963.57 and 369,937.17

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Solution

The fourth proportional to 671,743.17, 926,963.57 and 369,937.17 is: 510,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,743.17 : 926,963.57 = 369,937.17 : x
  2. Step 2: Convert to fraction form
    671,743.17/926,963.57 = 369,937.17/x
  3. Step 3: Cross multiply
    671,743.17x = 926,963.57 × 369,937.17
  4. Step 4: Simplify right side
    671,743.17x = 342,918,277,929.21
  5. Step 5: Solve for x
    x = 342,918,277,929.21/671,743.17
  6. Step 6: Final answer
    x = 510,490.16

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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.