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Finding the Fourth Proportional to 556,051.44, 767,350.26 and 301,402.56

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Solution

The fourth proportional to 556,051.44, 767,350.26 and 301,402.56 is: 415,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,051.44 : 767,350.26 = 301,402.56 : x
  2. Step 2: Convert to fraction form
    556,051.44/767,350.26 = 301,402.56/x
  3. Step 3: Cross multiply
    556,051.44x = 767,350.26 × 301,402.56
  4. Step 4: Simplify right side
    556,051.44x = 231,281,333,568.78
  5. Step 5: Solve for x
    x = 231,281,333,568.78/556,051.44
  6. Step 6: Final answer
    x = 415,935.14

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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.