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Finding the Fourth Proportional to 477,471.30, 716,207.35 and 122,485.35

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Solution

The fourth proportional to 477,471.30, 716,207.35 and 122,485.35 is: 183,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,471.30 : 716,207.35 = 122,485.35 : x
  2. Step 2: Convert to fraction form
    477,471.30/716,207.35 = 122,485.35/x
  3. Step 3: Cross multiply
    477,471.30x = 716,207.35 × 122,485.35
  4. Step 4: Simplify right side
    477,471.30x = 87,724,907,937.32
  5. Step 5: Solve for x
    x = 87,724,907,937.32/477,471.30
  6. Step 6: Final answer
    x = 183,728.13

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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.