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Finding the Fourth Proportional to 647,033.33, 892,909.53 and 375,262.38

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Solution

The fourth proportional to 647,033.33, 892,909.53 and 375,262.38 is: 517,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,033.33 : 892,909.53 = 375,262.38 : x
  2. Step 2: Convert to fraction form
    647,033.33/892,909.53 = 375,262.38/x
  3. Step 3: Cross multiply
    647,033.33x = 892,909.53 × 375,262.38
  4. Step 4: Simplify right side
    647,033.33x = 335,075,355,352.48
  5. Step 5: Solve for x
    x = 335,075,355,352.48/647,033.33
  6. Step 6: Final answer
    x = 517,864.14

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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.