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Finding the Fourth Proportional to 302,318.40, 453,826.80 and 162,350.40

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Solution

The fourth proportional to 302,318.40, 453,826.80 and 162,350.40 is: 243,713.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,318.40 : 453,826.80 = 162,350.40 : x
  2. Step 2: Convert to fraction form
    302,318.40/453,826.80 = 162,350.40/x
  3. Step 3: Cross multiply
    302,318.40x = 453,826.80 × 162,350.40
  4. Step 4: Simplify right side
    302,318.40x = 73,678,962,510.72
  5. Step 5: Solve for x
    x = 73,678,962,510.72/302,318.40
  6. Step 6: Final answer
    x = 243,713.13

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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.