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Finding the Fourth Proportional to 525,485.54, 722,491.55 and 467,565.68

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Solution

The fourth proportional to 525,485.54, 722,491.55 and 467,565.68 is: 642,857.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,485.54 : 722,491.55 = 467,565.68 : x
  2. Step 2: Convert to fraction form
    525,485.54/722,491.55 = 467,565.68/x
  3. Step 3: Cross multiply
    525,485.54x = 722,491.55 × 467,565.68
  4. Step 4: Simplify right side
    525,485.54x = 337,812,246,919.72
  5. Step 5: Solve for x
    x = 337,812,246,919.72/525,485.54
  6. Step 6: Final answer
    x = 642,857.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.