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Finding the Fourth Proportional to 556,299.18, 767,693.30 and 301,650.36

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Solution

The fourth proportional to 556,299.18, 767,693.30 and 301,650.36 is: 416,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,299.18 : 767,693.30 = 301,650.36 : x
  2. Step 2: Convert to fraction form
    556,299.18/767,693.30 = 301,650.36/x
  3. Step 3: Cross multiply
    556,299.18x = 767,693.30 × 301,650.36
  4. Step 4: Simplify right side
    556,299.18x = 231,574,958,806.34
  5. Step 5: Solve for x
    x = 231,574,958,806.34/556,299.18
  6. Step 6: Final answer
    x = 416,277.73

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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.