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Finding the Fourth Proportional to 477,629.80, 716,444.70 and 337,661.80

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Solution

The fourth proportional to 477,629.80, 716,444.70 and 337,661.80 is: 506,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,629.80 : 716,444.70 = 337,661.80 : x
  2. Step 2: Convert to fraction form
    477,629.80/716,444.70 = 337,661.80/x
  3. Step 3: Cross multiply
    477,629.80x = 716,444.70 × 337,661.80
  4. Step 4: Simplify right side
    477,629.80x = 241,916,007,002.46
  5. Step 5: Solve for x
    x = 241,916,007,002.46/477,629.80
  6. Step 6: Final answer
    x = 506,492.70

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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.