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Finding the Fourth Proportional to 302,533.79, 453,763.47 and 77,895.47

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Solution

The fourth proportional to 302,533.79, 453,763.47 and 77,895.47 is: 116,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,533.79 : 453,763.47 = 77,895.47 : x
  2. Step 2: Convert to fraction form
    302,533.79/453,763.47 = 77,895.47/x
  3. Step 3: Cross multiply
    302,533.79x = 453,763.47 × 77,895.47
  4. Step 4: Simplify right side
    302,533.79x = 35,346,119,752.84
  5. Step 5: Solve for x
    x = 35,346,119,752.84/302,533.79
  6. Step 6: Final answer
    x = 116,833.63

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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.