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Finding the Fourth Proportional to 302,856.40, 453,300.45 and 302,856.40

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Solution

The fourth proportional to 302,856.40, 453,300.45 and 302,856.40 is: 453,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,856.40 : 453,300.45 = 302,856.40 : x
  2. Step 2: Convert to fraction form
    302,856.40/453,300.45 = 302,856.40/x
  3. Step 3: Cross multiply
    302,856.40x = 453,300.45 × 302,856.40
  4. Step 4: Simplify right side
    302,856.40x = 137,284,942,405.38
  5. Step 5: Solve for x
    x = 137,284,942,405.38/302,856.40
  6. Step 6: Final answer
    x = 453,300.45

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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.