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Finding the Fourth Proportional to 555,851.16, 767,073.24 and 301,206.60

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Solution

The fourth proportional to 555,851.16, 767,073.24 and 301,206.60 is: 415,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,851.16 : 767,073.24 = 301,206.60 : x
  2. Step 2: Convert to fraction form
    555,851.16/767,073.24 = 301,206.60/x
  3. Step 3: Cross multiply
    555,851.16x = 767,073.24 × 301,206.60
  4. Step 4: Simplify right side
    555,851.16x = 231,047,522,571.38
  5. Step 5: Solve for x
    x = 231,047,522,571.38/555,851.16
  6. Step 6: Final answer
    x = 415,664.37

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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.