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Finding the Fourth Proportional to 556,756.40, 835,132.26 and 201,687.32

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Solution

The fourth proportional to 556,756.40, 835,132.26 and 201,687.32 is: 302,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,756.40 : 835,132.26 = 201,687.32 : x
  2. Step 2: Convert to fraction form
    556,756.40/835,132.26 = 201,687.32/x
  3. Step 3: Cross multiply
    556,756.40x = 835,132.26 × 201,687.32
  4. Step 4: Simplify right side
    556,756.40x = 168,435,587,364.94
  5. Step 5: Solve for x
    x = 168,435,587,364.94/556,756.40
  6. Step 6: Final answer
    x = 302,530.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.