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Finding the Fourth Proportional to 468,319.47, 646,123.03 and 304,901.34

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Solution

The fourth proportional to 468,319.47, 646,123.03 and 304,901.34 is: 420,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,319.47 : 646,123.03 = 304,901.34 : x
  2. Step 2: Convert to fraction form
    468,319.47/646,123.03 = 304,901.34/x
  3. Step 3: Cross multiply
    468,319.47x = 646,123.03 × 304,901.34
  4. Step 4: Simplify right side
    468,319.47x = 197,003,777,651.86
  5. Step 5: Solve for x
    x = 197,003,777,651.86/468,319.47
  6. Step 6: Final answer
    x = 420,661.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.