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Finding the Fourth Proportional to 532,240.58, 734,382.34 and 305,842.34

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Solution

The fourth proportional to 532,240.58, 734,382.34 and 305,842.34 is: 421,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,240.58 : 734,382.34 = 305,842.34 : x
  2. Step 2: Convert to fraction form
    532,240.58/734,382.34 = 305,842.34/x
  3. Step 3: Cross multiply
    532,240.58x = 734,382.34 × 305,842.34
  4. Step 4: Simplify right side
    532,240.58x = 224,605,213,320.28
  5. Step 5: Solve for x
    x = 224,605,213,320.28/532,240.58
  6. Step 6: Final answer
    x = 421,999.41

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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.