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Finding the Fourth Proportional to 513,366.75, 766,289.95 and 452,765.52

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Solution

The fourth proportional to 513,366.75, 766,289.95 and 452,765.52 is: 675,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,366.75 : 766,289.95 = 452,765.52 : x
  2. Step 2: Convert to fraction form
    513,366.75/766,289.95 = 452,765.52/x
  3. Step 3: Cross multiply
    513,366.75x = 766,289.95 × 452,765.52
  4. Step 4: Simplify right side
    513,366.75x = 346,949,666,550.61
  5. Step 5: Solve for x
    x = 346,949,666,550.61/513,366.75
  6. Step 6: Final answer
    x = 675,831.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.