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Finding the Fourth Proportional to 242,777.63, 364,210.19 and 74,294.93

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Solution

The fourth proportional to 242,777.63, 364,210.19 and 74,294.93 is: 111,455.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,777.63 : 364,210.19 = 74,294.93 : x
  2. Step 2: Convert to fraction form
    242,777.63/364,210.19 = 74,294.93/x
  3. Step 3: Cross multiply
    242,777.63x = 364,210.19 × 74,294.93
  4. Step 4: Simplify right side
    242,777.63x = 27,058,971,388.99
  5. Step 5: Solve for x
    x = 27,058,971,388.99/242,777.63
  6. Step 6: Final answer
    x = 111,455.78

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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.