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Finding the Fourth Proportional to 418,168.02, 577,030.23 and 236,843.76

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Solution

The fourth proportional to 418,168.02, 577,030.23 and 236,843.76 is: 326,820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,168.02 : 577,030.23 = 236,843.76 : x
  2. Step 2: Convert to fraction form
    418,168.02/577,030.23 = 236,843.76/x
  3. Step 3: Cross multiply
    418,168.02x = 577,030.23 × 236,843.76
  4. Step 4: Simplify right side
    418,168.02x = 136,666,009,306.87
  5. Step 5: Solve for x
    x = 136,666,009,306.87/418,168.02
  6. Step 6: Final answer
    x = 326,820.81

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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.