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Finding the Fourth Proportional to 526,571.84, 726,666.95 and 284,853.81

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Solution

The fourth proportional to 526,571.84, 726,666.95 and 284,853.81 is: 393,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,571.84 : 726,666.95 = 284,853.81 : x
  2. Step 2: Convert to fraction form
    526,571.84/726,666.95 = 284,853.81/x
  3. Step 3: Cross multiply
    526,571.84x = 726,666.95 × 284,853.81
  4. Step 4: Simplify right side
    526,571.84x = 206,993,851,143.41
  5. Step 5: Solve for x
    x = 206,993,851,143.41/526,571.84
  6. Step 6: Final answer
    x = 393,097.08

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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.