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Finding the Fourth Proportional to 291,855.60, 437,459.40 and 114,303.60

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Solution

The fourth proportional to 291,855.60, 437,459.40 and 114,303.60 is: 171,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,855.60 : 437,459.40 = 114,303.60 : x
  2. Step 2: Convert to fraction form
    291,855.60/437,459.40 = 114,303.60/x
  3. Step 3: Cross multiply
    291,855.60x = 437,459.40 × 114,303.60
  4. Step 4: Simplify right side
    291,855.60x = 50,003,184,273.84
  5. Step 5: Solve for x
    x = 50,003,184,273.84/291,855.60
  6. Step 6: Final answer
    x = 171,328.51

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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.