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Finding the Fourth Proportional to 614,686.30, 921,397.95 and 235,504.24

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Solution

The fourth proportional to 614,686.30, 921,397.95 and 235,504.24 is: 353,014.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,686.30 : 921,397.95 = 235,504.24 : x
  2. Step 2: Convert to fraction form
    614,686.30/921,397.95 = 235,504.24/x
  3. Step 3: Cross multiply
    614,686.30x = 921,397.95 × 235,504.24
  4. Step 4: Simplify right side
    614,686.30x = 216,993,123,952.31
  5. Step 5: Solve for x
    x = 216,993,123,952.31/614,686.30
  6. Step 6: Final answer
    x = 353,014.41

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1.5x scale

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.