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Finding the Fourth Proportional to 690,537.96, 953,201.52 and 510,697.31

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Solution

The fourth proportional to 690,537.96, 953,201.52 and 510,697.31 is: 704,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,537.96 : 953,201.52 = 510,697.31 : x
  2. Step 2: Convert to fraction form
    690,537.96/953,201.52 = 510,697.31/x
  3. Step 3: Cross multiply
    690,537.96x = 953,201.52 × 510,697.31
  4. Step 4: Simplify right side
    690,537.96x = 486,797,447,385.90
  5. Step 5: Solve for x
    x = 486,797,447,385.90/690,537.96
  6. Step 6: Final answer
    x = 704,953.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.