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Finding the Fourth Proportional to 651,489.69, 977,364.90 and 225,041.07

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Solution

The fourth proportional to 651,489.69, 977,364.90 and 225,041.07 is: 337,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,489.69 : 977,364.90 = 225,041.07 : x
  2. Step 2: Convert to fraction form
    651,489.69/977,364.90 = 225,041.07/x
  3. Step 3: Cross multiply
    651,489.69x = 977,364.90 × 225,041.07
  4. Step 4: Simplify right side
    651,489.69x = 219,947,242,876.44
  5. Step 5: Solve for x
    x = 219,947,242,876.44/651,489.69
  6. Step 6: Final answer
    x = 337,606.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.