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Finding the Fourth Proportional to 368,114.20, 552,176.40 and 242,558.20

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Solution

The fourth proportional to 368,114.20, 552,176.40 and 242,558.20 is: 363,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,114.20 : 552,176.40 = 242,558.20 : x
  2. Step 2: Convert to fraction form
    368,114.20/552,176.40 = 242,558.20/x
  3. Step 3: Cross multiply
    368,114.20x = 552,176.40 × 242,558.20
  4. Step 4: Simplify right side
    368,114.20x = 133,934,913,666.48
  5. Step 5: Solve for x
    x = 133,934,913,666.48/368,114.20
  6. Step 6: Final answer
    x = 363,840.66

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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.