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Finding the Fourth Proportional to 416,501.53, 574,342.51 and 356,271.55

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Solution

The fourth proportional to 416,501.53, 574,342.51 and 356,271.55 is: 491,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,501.53 : 574,342.51 = 356,271.55 : x
  2. Step 2: Convert to fraction form
    416,501.53/574,342.51 = 356,271.55/x
  3. Step 3: Cross multiply
    416,501.53x = 574,342.51 × 356,271.55
  4. Step 4: Simplify right side
    416,501.53x = 204,621,896,268.59
  5. Step 5: Solve for x
    x = 204,621,896,268.59/416,501.53
  6. Step 6: Final answer
    x = 491,287.26

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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.