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Finding the Fourth Proportional to 984,707, 1,477,060.95 and 310,856.57

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Solution

The fourth proportional to 984,707, 1,477,060.95 and 310,856.57 is: 466,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,707 : 1,477,060.95 = 310,856.57 : x
  2. Step 2: Convert to fraction form
    984,707/1,477,060.95 = 310,856.57/x
  3. Step 3: Cross multiply
    984,707x = 1,477,060.95 × 310,856.57
  4. Step 4: Simplify right side
    984,707x = 459,154,100,597.94
  5. Step 5: Solve for x
    x = 459,154,100,597.94/984,707
  6. Step 6: Final answer
    x = 466,285.00

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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.