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Finding the Fourth Proportional to 963,819, 1,330,099.38 and 534,058.92

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Solution

The fourth proportional to 963,819, 1,330,099.38 and 534,058.92 is: 737,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,819 : 1,330,099.38 = 534,058.92 : x
  2. Step 2: Convert to fraction form
    963,819/1,330,099.38 = 534,058.92/x
  3. Step 3: Cross multiply
    963,819x = 1,330,099.38 × 534,058.92
  4. Step 4: Simplify right side
    963,819x = 710,351,438,375.47
  5. Step 5: Solve for x
    x = 710,351,438,375.47/963,819
  6. Step 6: Final answer
    x = 737,017.47

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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.