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Finding the Fourth Proportional to 556,236.99, 767,600.15 and 301,587.57

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Solution

The fourth proportional to 556,236.99, 767,600.15 and 301,587.57 is: 416,187.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,236.99 : 767,600.15 = 301,587.57 : x
  2. Step 2: Convert to fraction form
    556,236.99/767,600.15 = 301,587.57/x
  3. Step 3: Cross multiply
    556,236.99x = 767,600.15 × 301,587.57
  4. Step 4: Simplify right side
    556,236.99x = 231,498,662,462.20
  5. Step 5: Solve for x
    x = 231,498,662,462.20/556,236.99
  6. Step 6: Final answer
    x = 416,187.10

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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.