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Finding the Fourth Proportional to 368,111.70, 552,172.65 and 242,555.70

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Solution

The fourth proportional to 368,111.70, 552,172.65 and 242,555.70 is: 363,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,111.70 : 552,172.65 = 242,555.70 : x
  2. Step 2: Convert to fraction form
    368,111.70/552,172.65 = 242,555.70/x
  3. Step 3: Cross multiply
    368,111.70x = 552,172.65 × 242,555.70
  4. Step 4: Simplify right side
    368,111.70x = 133,932,623,641.61
  5. Step 5: Solve for x
    x = 133,932,623,641.61/368,111.70
  6. Step 6: Final answer
    x = 363,836.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.