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Finding the Fourth Proportional to 302,011.20, 453,308.40 and 183,913.20

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Solution

The fourth proportional to 302,011.20, 453,308.40 and 183,913.20 is: 276,047.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,011.20 : 453,308.40 = 183,913.20 : x
  2. Step 2: Convert to fraction form
    302,011.20/453,308.40 = 183,913.20/x
  3. Step 3: Cross multiply
    302,011.20x = 453,308.40 × 183,913.20
  4. Step 4: Simplify right side
    302,011.20x = 83,369,398,430.88
  5. Step 5: Solve for x
    x = 83,369,398,430.88/302,011.20
  6. Step 6: Final answer
    x = 276,047.37

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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.