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Finding the Fourth Proportional to 472,303.56, 651,769.23 and 257,441.75

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Solution

The fourth proportional to 472,303.56, 651,769.23 and 257,441.75 is: 355,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,303.56 : 651,769.23 = 257,441.75 : x
  2. Step 2: Convert to fraction form
    472,303.56/651,769.23 = 257,441.75/x
  3. Step 3: Cross multiply
    472,303.56x = 651,769.23 × 257,441.75
  4. Step 4: Simplify right side
    472,303.56x = 167,792,611,167.35
  5. Step 5: Solve for x
    x = 167,792,611,167.35/472,303.56
  6. Step 6: Final answer
    x = 355,264.34

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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.