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Finding the Fourth Proportional to 291,483.93, 437,184.37 and 91,799.12

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Solution

The fourth proportional to 291,483.93, 437,184.37 and 91,799.12 is: 137,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,483.93 : 437,184.37 = 91,799.12 : x
  2. Step 2: Convert to fraction form
    291,483.93/437,184.37 = 91,799.12/x
  3. Step 3: Cross multiply
    291,483.93x = 437,184.37 × 91,799.12
  4. Step 4: Simplify right side
    291,483.93x = 40,133,139,984.76
  5. Step 5: Solve for x
    x = 40,133,139,984.76/291,483.93
  6. Step 6: Final answer
    x = 137,685.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.