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Finding the Fourth Proportional to 448,953.75, 619,556.99 and 247,749.75

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Solution

The fourth proportional to 448,953.75, 619,556.99 and 247,749.75 is: 341,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,953.75 : 619,556.99 = 247,749.75 : x
  2. Step 2: Convert to fraction form
    448,953.75/619,556.99 = 247,749.75/x
  3. Step 3: Cross multiply
    448,953.75x = 619,556.99 × 247,749.75
  4. Step 4: Simplify right side
    448,953.75x = 153,495,088,144.50
  5. Step 5: Solve for x
    x = 153,495,088,144.50/448,953.75
  6. Step 6: Final answer
    x = 341,895.10

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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.