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Finding the Fourth Proportional to 562,522.56, 776,012.64 and 347,585.28

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Solution

The fourth proportional to 562,522.56, 776,012.64 and 347,585.28 is: 479,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,522.56 : 776,012.64 = 347,585.28 : x
  2. Step 2: Convert to fraction form
    562,522.56/776,012.64 = 347,585.28/x
  3. Step 3: Cross multiply
    562,522.56x = 776,012.64 × 347,585.28
  4. Step 4: Simplify right side
    562,522.56x = 269,730,570,757.94
  5. Step 5: Solve for x
    x = 269,730,570,757.94/562,522.56
  6. Step 6: Final answer
    x = 479,501.78

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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.