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Finding the Fourth Proportional to 532,311.78, 734,602.86 and 290,596.17

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Solution

The fourth proportional to 532,311.78, 734,602.86 and 290,596.17 is: 401,029.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,311.78 : 734,602.86 = 290,596.17 : x
  2. Step 2: Convert to fraction form
    532,311.78/734,602.86 = 290,596.17/x
  3. Step 3: Cross multiply
    532,311.78x = 734,602.86 × 290,596.17
  4. Step 4: Simplify right side
    532,311.78x = 213,472,780,341.81
  5. Step 5: Solve for x
    x = 213,472,780,341.81/532,311.78
  6. Step 6: Final answer
    x = 401,029.60

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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.