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Finding the Fourth Proportional to 501,624.32, 692,261.52 and 275,277.92

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Solution

The fourth proportional to 501,624.32, 692,261.52 and 275,277.92 is: 379,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,624.32 : 692,261.52 = 275,277.92 : x
  2. Step 2: Convert to fraction form
    501,624.32/692,261.52 = 275,277.92/x
  3. Step 3: Cross multiply
    501,624.32x = 692,261.52 × 275,277.92
  4. Step 4: Simplify right side
    501,624.32x = 190,564,311,321.64
  5. Step 5: Solve for x
    x = 190,564,311,321.64/501,624.32
  6. Step 6: Final answer
    x = 379,894.48

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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.