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Finding the Fourth Proportional to 476,451, 657,314.85 and 272,392.29

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Solution

The fourth proportional to 476,451, 657,314.85 and 272,392.29 is: 375,794.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,451 : 657,314.85 = 272,392.29 : x
  2. Step 2: Convert to fraction form
    476,451/657,314.85 = 272,392.29/x
  3. Step 3: Cross multiply
    476,451x = 657,314.85 × 272,392.29
  4. Step 4: Simplify right side
    476,451x = 179,047,497,242.51
  5. Step 5: Solve for x
    x = 179,047,497,242.51/476,451
  6. Step 6: Final answer
    x = 375,794.15

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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.