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Finding the Fourth Proportional to 556,250.76, 767,618.64 and 301,596.48

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Solution

The fourth proportional to 556,250.76, 767,618.64 and 301,596.48 is: 416,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,250.76 : 767,618.64 = 301,596.48 : x
  2. Step 2: Convert to fraction form
    556,250.76/767,618.64 = 301,596.48/x
  3. Step 3: Cross multiply
    556,250.76x = 767,618.64 × 301,596.48
  4. Step 4: Simplify right side
    556,250.76x = 231,511,079,806.39
  5. Step 5: Solve for x
    x = 231,511,079,806.39/556,250.76
  6. Step 6: Final answer
    x = 416,199.13

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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.