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Finding the Fourth Proportional to 477,953.00, 716,860.31 and 140,977.00

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Solution

The fourth proportional to 477,953.00, 716,860.31 and 140,977.00 is: 211,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,953.00 : 716,860.31 = 140,977.00 : x
  2. Step 2: Convert to fraction form
    477,953.00/716,860.31 = 140,977.00/x
  3. Step 3: Cross multiply
    477,953.00x = 716,860.31 × 140,977.00
  4. Step 4: Simplify right side
    477,953.00x = 101,060,816,114.06
  5. Step 5: Solve for x
    x = 101,060,816,114.06/477,953.00
  6. Step 6: Final answer
    x = 211,445.09

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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.