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Finding the Fourth Proportional to 457,554.76, 631,409.25 and 253,624.75

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Solution

The fourth proportional to 457,554.76, 631,409.25 and 253,624.75 is: 349,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,554.76 : 631,409.25 = 253,624.75 : x
  2. Step 2: Convert to fraction form
    457,554.76/631,409.25 = 253,624.75/x
  3. Step 3: Cross multiply
    457,554.76x = 631,409.25 × 253,624.75
  4. Step 4: Simplify right side
    457,554.76x = 160,141,010,021.89
  5. Step 5: Solve for x
    x = 160,141,010,021.89/457,554.76
  6. Step 6: Final answer
    x = 349,993.11

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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.