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Finding the Fourth Proportional to 335,473.35, 503,283.95 and 145,963.47

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Solution

The fourth proportional to 335,473.35, 503,283.95 and 145,963.47 is: 218,977.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,473.35 : 503,283.95 = 145,963.47 : x
  2. Step 2: Convert to fraction form
    335,473.35/503,283.95 = 145,963.47/x
  3. Step 3: Cross multiply
    335,473.35x = 503,283.95 × 145,963.47
  4. Step 4: Simplify right side
    335,473.35x = 73,461,071,007.49
  5. Step 5: Solve for x
    x = 73,461,071,007.49/335,473.35
  6. Step 6: Final answer
    x = 218,977.37

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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.