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Finding the Fourth Proportional to 532,618.45, 734,526.67 and 416,347.28

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Solution

The fourth proportional to 532,618.45, 734,526.67 and 416,347.28 is: 574,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,618.45 : 734,526.67 = 416,347.28 : x
  2. Step 2: Convert to fraction form
    532,618.45/734,526.67 = 416,347.28/x
  3. Step 3: Cross multiply
    532,618.45x = 734,526.67 × 416,347.28
  4. Step 4: Simplify right side
    532,618.45x = 305,818,180,979.86
  5. Step 5: Solve for x
    x = 305,818,180,979.86/532,618.45
  6. Step 6: Final answer
    x = 574,178.72

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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.