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Finding the Fourth Proportional to 418,461, 577,464.01 and 237,189.61

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Solution

The fourth proportional to 418,461, 577,464.01 and 237,189.61 is: 327,314.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,461 : 577,464.01 = 237,189.61 : x
  2. Step 2: Convert to fraction form
    418,461/577,464.01 = 237,189.61/x
  3. Step 3: Cross multiply
    418,461x = 577,464.01 × 237,189.61
  4. Step 4: Simplify right side
    418,461x = 136,968,463,320.94
  5. Step 5: Solve for x
    x = 136,968,463,320.94/418,461
  6. Step 6: Final answer
    x = 327,314.76

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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.