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Finding the Fourth Proportional to 477,964.10, 659,605.31 and 260,187.27

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Solution

The fourth proportional to 477,964.10, 659,605.31 and 260,187.27 is: 359,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,964.10 : 659,605.31 = 260,187.27 : x
  2. Step 2: Convert to fraction form
    477,964.10/659,605.31 = 260,187.27/x
  3. Step 3: Cross multiply
    477,964.10x = 659,605.31 × 260,187.27
  4. Step 4: Simplify right side
    477,964.10x = 171,620,908,010.39
  5. Step 5: Solve for x
    x = 171,620,908,010.39/477,964.10
  6. Step 6: Final answer
    x = 359,066.52

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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.