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Finding the Fourth Proportional to 501,444.76, 692,011.78 and 275,096.92

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Solution

The fourth proportional to 501,444.76, 692,011.78 and 275,096.92 is: 379,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,444.76 : 692,011.78 = 275,096.92 : x
  2. Step 2: Convert to fraction form
    501,444.76/692,011.78 = 275,096.92/x
  3. Step 3: Cross multiply
    501,444.76x = 692,011.78 × 275,096.92
  4. Step 4: Simplify right side
    501,444.76x = 190,370,309,281.72
  5. Step 5: Solve for x
    x = 190,370,309,281.72/501,444.76
  6. Step 6: Final answer
    x = 379,643.63

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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.