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Finding the Fourth Proportional to 428,259.04, 590,980.08 and 237,280.48

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Solution

The fourth proportional to 428,259.04, 590,980.08 and 237,280.48 is: 327,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,259.04 : 590,980.08 = 237,280.48 : x
  2. Step 2: Convert to fraction form
    428,259.04/590,980.08 = 237,280.48/x
  3. Step 3: Cross multiply
    428,259.04x = 590,980.08 × 237,280.48
  4. Step 4: Simplify right side
    428,259.04x = 140,228,037,052.84
  5. Step 5: Solve for x
    x = 140,228,037,052.84/428,259.04
  6. Step 6: Final answer
    x = 327,437.42

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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.