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Finding the Fourth Proportional to 525,774.92, 725,568.48 and 284,056.74

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Solution

The fourth proportional to 525,774.92, 725,568.48 and 284,056.74 is: 391,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,774.92 : 725,568.48 = 284,056.74 : x
  2. Step 2: Convert to fraction form
    525,774.92/725,568.48 = 284,056.74/x
  3. Step 3: Cross multiply
    525,774.92x = 725,568.48 × 284,056.74
  4. Step 4: Simplify right side
    525,774.92x = 206,102,617,075.56
  5. Step 5: Solve for x
    x = 206,102,617,075.56/525,774.92
  6. Step 6: Final answer
    x = 391,997.81

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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.