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Finding the Fourth Proportional to 292,008.94, 402,607.22 and 243,680.49

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Solution

The fourth proportional to 292,008.94, 402,607.22 and 243,680.49 is: 335,974.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,008.94 : 402,607.22 = 243,680.49 : x
  2. Step 2: Convert to fraction form
    292,008.94/402,607.22 = 243,680.49/x
  3. Step 3: Cross multiply
    292,008.94x = 402,607.22 × 243,680.49
  4. Step 4: Simplify right side
    292,008.94x = 98,107,523,428.74
  5. Step 5: Solve for x
    x = 98,107,523,428.74/292,008.94
  6. Step 6: Final answer
    x = 335,974.39

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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.