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Finding the Fourth Proportional to 492,248, 679,302.52 and 265,893.50

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Solution

The fourth proportional to 492,248, 679,302.52 and 265,893.50 is: 366,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,248 : 679,302.52 = 265,893.50 : x
  2. Step 2: Convert to fraction form
    492,248/679,302.52 = 265,893.50/x
  3. Step 3: Cross multiply
    492,248x = 679,302.52 × 265,893.50
  4. Step 4: Simplify right side
    492,248x = 180,622,124,601.62
  5. Step 5: Solve for x
    x = 180,622,124,601.62/492,248
  6. Step 6: Final answer
    x = 366,933.18

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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.