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Finding the Fourth Proportional to 624,986.92, 862,429.98 and 366,835.96

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Solution

The fourth proportional to 624,986.92, 862,429.98 and 366,835.96 is: 506,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,986.92 : 862,429.98 = 366,835.96 : x
  2. Step 2: Convert to fraction form
    624,986.92/862,429.98 = 366,835.96/x
  3. Step 3: Cross multiply
    624,986.92x = 862,429.98 × 366,835.96
  4. Step 4: Simplify right side
    624,986.92x = 316,370,329,646.08
  5. Step 5: Solve for x
    x = 316,370,329,646.08/624,986.92
  6. Step 6: Final answer
    x = 506,203.12

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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.