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Finding the Fourth Proportional to 562,609.32, 776,332.68 and 448,179.48

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Solution

The fourth proportional to 562,609.32, 776,332.68 and 448,179.48 is: 618,433.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,609.32 : 776,332.68 = 448,179.48 : x
  2. Step 2: Convert to fraction form
    562,609.32/776,332.68 = 448,179.48/x
  3. Step 3: Cross multiply
    562,609.32x = 776,332.68 × 448,179.48
  4. Step 4: Simplify right side
    562,609.32x = 347,936,376,829.41
  5. Step 5: Solve for x
    x = 347,936,376,829.41/562,609.32
  6. Step 6: Final answer
    x = 618,433.37

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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.