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Finding the Fourth Proportional to 302,207.60, 453,311.40 and 124,655.60

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Solution

The fourth proportional to 302,207.60, 453,311.40 and 124,655.60 is: 186,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,207.60 : 453,311.40 = 124,655.60 : x
  2. Step 2: Convert to fraction form
    302,207.60/453,311.40 = 124,655.60/x
  3. Step 3: Cross multiply
    302,207.60x = 453,311.40 × 124,655.60
  4. Step 4: Simplify right side
    302,207.60x = 56,507,804,553.84
  5. Step 5: Solve for x
    x = 56,507,804,553.84/302,207.60
  6. Step 6: Final answer
    x = 186,983.40

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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.