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Finding the Fourth Proportional to 501,627.32, 692,265.66 and 275,280.92

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Solution

The fourth proportional to 501,627.32, 692,265.66 and 275,280.92 is: 379,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,627.32 : 692,265.66 = 275,280.92 : x
  2. Step 2: Convert to fraction form
    501,627.32/692,265.66 = 275,280.92/x
  3. Step 3: Cross multiply
    501,627.32x = 692,265.66 × 275,280.92
  4. Step 4: Simplify right side
    501,627.32x = 190,567,527,769.21
  5. Step 5: Solve for x
    x = 190,567,527,769.21/501,627.32
  6. Step 6: Final answer
    x = 379,898.62

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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.