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Finding the Fourth Proportional to 753,003, 1,039,151.43 and 413,478.54

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Solution

The fourth proportional to 753,003, 1,039,151.43 and 413,478.54 is: 570,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,003 : 1,039,151.43 = 413,478.54 : x
  2. Step 2: Convert to fraction form
    753,003/1,039,151.43 = 413,478.54/x
  3. Step 3: Cross multiply
    753,003x = 1,039,151.43 × 413,478.54
  4. Step 4: Simplify right side
    753,003x = 429,666,816,115.31
  5. Step 5: Solve for x
    x = 429,666,816,115.31/753,003
  6. Step 6: Final answer
    x = 570,604.39

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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.