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Finding the Fourth Proportional to 243,318.40, 364,977.60 and 176,444.80

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Solution

The fourth proportional to 243,318.40, 364,977.60 and 176,444.80 is: 264,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,318.40 : 364,977.60 = 176,444.80 : x
  2. Step 2: Convert to fraction form
    243,318.40/364,977.60 = 176,444.80/x
  3. Step 3: Cross multiply
    243,318.40x = 364,977.60 × 176,444.80
  4. Step 4: Simplify right side
    243,318.40x = 64,398,399,636.48
  5. Step 5: Solve for x
    x = 64,398,399,636.48/243,318.40
  6. Step 6: Final answer
    x = 264,667.20

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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.