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Finding the Fourth Proportional to 472,224.35, 651,650.63 and 257,359.80

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Solution

The fourth proportional to 472,224.35, 651,650.63 and 257,359.80 is: 355,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,224.35 : 651,650.63 = 257,359.80 : x
  2. Step 2: Convert to fraction form
    472,224.35/651,650.63 = 257,359.80/x
  3. Step 3: Cross multiply
    472,224.35x = 651,650.63 × 257,359.80
  4. Step 4: Simplify right side
    472,224.35x = 167,708,675,806.67
  5. Step 5: Solve for x
    x = 167,708,675,806.67/472,224.35
  6. Step 6: Final answer
    x = 355,146.18

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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.