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Finding the Fourth Proportional to 609,889.07, 841,624.17 and 351,776.60

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Solution

The fourth proportional to 609,889.07, 841,624.17 and 351,776.60 is: 485,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,889.07 : 841,624.17 = 351,776.60 : x
  2. Step 2: Convert to fraction form
    609,889.07/841,624.17 = 351,776.60/x
  3. Step 3: Cross multiply
    609,889.07x = 841,624.17 × 351,776.60
  4. Step 4: Simplify right side
    609,889.07x = 296,063,685,671.74
  5. Step 5: Solve for x
    x = 296,063,685,671.74/609,889.07
  6. Step 6: Final answer
    x = 485,438.58

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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.