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Finding the Fourth Proportional to 664,320.30, 996,480.45 and 461,366.70

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Solution

The fourth proportional to 664,320.30, 996,480.45 and 461,366.70 is: 692,050.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,320.30 : 996,480.45 = 461,366.70 : x
  2. Step 2: Convert to fraction form
    664,320.30/996,480.45 = 461,366.70/x
  3. Step 3: Cross multiply
    664,320.30x = 996,480.45 × 461,366.70
  4. Step 4: Simplify right side
    664,320.30x = 459,742,896,831.02
  5. Step 5: Solve for x
    x = 459,742,896,831.02/664,320.30
  6. Step 6: Final answer
    x = 692,050.05

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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.