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Finding the Fourth Proportional to 562,780.32, 844,625.64 and 436,120.20

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Solution

The fourth proportional to 562,780.32, 844,625.64 and 436,120.20 is: 654,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,780.32 : 844,625.64 = 436,120.20 : x
  2. Step 2: Convert to fraction form
    562,780.32/844,625.64 = 436,120.20/x
  3. Step 3: Cross multiply
    562,780.32x = 844,625.64 × 436,120.20
  4. Step 4: Simplify right side
    562,780.32x = 368,358,303,041.93
  5. Step 5: Solve for x
    x = 368,358,303,041.93/562,780.32
  6. Step 6: Final answer
    x = 654,533.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.