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Finding the Fourth Proportional to 696,417.78, 960,759.11 and 481,184.18

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Solution

The fourth proportional to 696,417.78, 960,759.11 and 481,184.18 is: 663,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,417.78 : 960,759.11 = 481,184.18 : x
  2. Step 2: Convert to fraction form
    696,417.78/960,759.11 = 481,184.18/x
  3. Step 3: Cross multiply
    696,417.78x = 960,759.11 × 481,184.18
  4. Step 4: Simplify right side
    696,417.78x = 462,302,077,313.16
  5. Step 5: Solve for x
    x = 462,302,077,313.16/696,417.78
  6. Step 6: Final answer
    x = 663,828.65

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Double scale
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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.