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Finding the Fourth Proportional to 477,751.89, 716,731.52 and 145,319.25

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Solution

The fourth proportional to 477,751.89, 716,731.52 and 145,319.25 is: 218,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,751.89 : 716,731.52 = 145,319.25 : x
  2. Step 2: Convert to fraction form
    477,751.89/716,731.52 = 145,319.25/x
  3. Step 3: Cross multiply
    477,751.89x = 716,731.52 × 145,319.25
  4. Step 4: Simplify right side
    477,751.89x = 104,154,886,211.16
  5. Step 5: Solve for x
    x = 104,154,886,211.16/477,751.89
  6. Step 6: Final answer
    x = 218,010.41

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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.