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Finding the Fourth Proportional to 555,957.10, 767,222.10 and 301,308.22

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Solution

The fourth proportional to 555,957.10, 767,222.10 and 301,308.22 is: 415,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,957.10 : 767,222.10 = 301,308.22 : x
  2. Step 2: Convert to fraction form
    555,957.10/767,222.10 = 301,308.22/x
  3. Step 3: Cross multiply
    555,957.10x = 767,222.10 × 301,308.22
  4. Step 4: Simplify right side
    555,957.10x = 231,170,325,295.66
  5. Step 5: Solve for x
    x = 231,170,325,295.66/555,957.10
  6. Step 6: Final answer
    x = 415,806.05

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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.