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Finding the Fourth Proportional to 555,684.03, 828,645.46 and 550,631.79

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Solution

The fourth proportional to 555,684.03, 828,645.46 and 550,631.79 is: 821,111.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,684.03 : 828,645.46 = 550,631.79 : x
  2. Step 2: Convert to fraction form
    555,684.03/828,645.46 = 550,631.79/x
  3. Step 3: Cross multiply
    555,684.03x = 828,645.46 × 550,631.79
  4. Step 4: Simplify right side
    555,684.03x = 456,278,531,538.59
  5. Step 5: Solve for x
    x = 456,278,531,538.59/555,684.03
  6. Step 6: Final answer
    x = 821,111.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.