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Finding the Fourth Proportional to 580,433.18, 870,655.18 and 175,628.58

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Solution

The fourth proportional to 580,433.18, 870,655.18 and 175,628.58 is: 263,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,433.18 : 870,655.18 = 175,628.58 : x
  2. Step 2: Convert to fraction form
    580,433.18/870,655.18 = 175,628.58/x
  3. Step 3: Cross multiply
    580,433.18x = 870,655.18 × 175,628.58
  4. Step 4: Simplify right side
    580,433.18x = 152,911,932,933.04
  5. Step 5: Solve for x
    x = 152,911,932,933.04/580,433.18
  6. Step 6: Final answer
    x = 263,444.51

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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.