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Finding the Fourth Proportional to 719,284.14, 992,757.33 and 413,574.39

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Solution

The fourth proportional to 719,284.14, 992,757.33 and 413,574.39 is: 570,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,284.14 : 992,757.33 = 413,574.39 : x
  2. Step 2: Convert to fraction form
    719,284.14/992,757.33 = 413,574.39/x
  3. Step 3: Cross multiply
    719,284.14x = 992,757.33 × 413,574.39
  4. Step 4: Simplify right side
    719,284.14x = 410,579,007,172.78
  5. Step 5: Solve for x
    x = 410,579,007,172.78/719,284.14
  6. Step 6: Final answer
    x = 570,816.16

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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.