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Finding the Fourth Proportional to 291,482.60, 437,223.90 and 166,836.20

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Solution

The fourth proportional to 291,482.60, 437,223.90 and 166,836.20 is: 250,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,482.60 : 437,223.90 = 166,836.20 : x
  2. Step 2: Convert to fraction form
    291,482.60/437,223.90 = 166,836.20/x
  3. Step 3: Cross multiply
    291,482.60x = 437,223.90 × 166,836.20
  4. Step 4: Simplify right side
    291,482.60x = 72,944,774,025.18
  5. Step 5: Solve for x
    x = 72,944,774,025.18/291,482.60
  6. Step 6: Final answer
    x = 250,254.30

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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.