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Finding the Fourth Proportional to 800,488.69, 1,104,683.12 and 437,904.77

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Solution

The fourth proportional to 800,488.69, 1,104,683.12 and 437,904.77 is: 604,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,488.69 : 1,104,683.12 = 437,904.77 : x
  2. Step 2: Convert to fraction form
    800,488.69/1,104,683.12 = 437,904.77/x
  3. Step 3: Cross multiply
    800,488.69x = 1,104,683.12 × 437,904.77
  4. Step 4: Simplify right side
    800,488.69x = 483,745,999,873.54
  5. Step 5: Solve for x
    x = 483,745,999,873.54/800,488.69
  6. Step 6: Final answer
    x = 604,313.35

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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.