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Finding the Fourth Proportional to 556,316.39, 767,717.05 and 301,667.58

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Solution

The fourth proportional to 556,316.39, 767,717.05 and 301,667.58 is: 416,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,316.39 : 767,717.05 = 301,667.58 : x
  2. Step 2: Convert to fraction form
    556,316.39/767,717.05 = 301,667.58/x
  3. Step 3: Cross multiply
    556,316.39x = 767,717.05 × 301,667.58
  4. Step 4: Simplify right side
    556,316.39x = 231,595,344,598.24
  5. Step 5: Solve for x
    x = 231,595,344,598.24/556,316.39
  6. Step 6: Final answer
    x = 416,301.49

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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.