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Finding the Fourth Proportional to 555,947.42, 767,210.10 and 301,298.54

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Solution

The fourth proportional to 555,947.42, 767,210.10 and 301,298.54 is: 415,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,947.42 : 767,210.10 = 301,298.54 : x
  2. Step 2: Convert to fraction form
    555,947.42/767,210.10 = 301,298.54/x
  3. Step 3: Cross multiply
    555,947.42x = 767,210.10 × 301,298.54
  4. Step 4: Simplify right side
    555,947.42x = 231,159,283,003.25
  5. Step 5: Solve for x
    x = 231,159,283,003.25/555,947.42
  6. Step 6: Final answer
    x = 415,793.43

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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.