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Finding the Fourth Proportional to 500,332.46, 749,556.99 and 247,316.78

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Solution

The fourth proportional to 500,332.46, 749,556.99 and 247,316.78 is: 370,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,332.46 : 749,556.99 = 247,316.78 : x
  2. Step 2: Convert to fraction form
    500,332.46/749,556.99 = 247,316.78/x
  3. Step 3: Cross multiply
    500,332.46x = 749,556.99 × 247,316.78
  4. Step 4: Simplify right side
    500,332.46x = 185,378,017,445.51
  5. Step 5: Solve for x
    x = 185,378,017,445.51/500,332.46
  6. Step 6: Final answer
    x = 370,509.68

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Similar ratio
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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.