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Finding the Fourth Proportional to 242,807.55, 364,316.40 and 130,356.60

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Solution

The fourth proportional to 242,807.55, 364,316.40 and 130,356.60 is: 195,591.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,807.55 : 364,316.40 = 130,356.60 : x
  2. Step 2: Convert to fraction form
    242,807.55/364,316.40 = 130,356.60/x
  3. Step 3: Cross multiply
    242,807.55x = 364,316.40 × 130,356.60
  4. Step 4: Simplify right side
    242,807.55x = 47,491,047,228.24
  5. Step 5: Solve for x
    x = 47,491,047,228.24/242,807.55
  6. Step 6: Final answer
    x = 195,591.31

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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.