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Finding the Fourth Proportional to 556,208.79, 767,569.02 and 301,560.63

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Solution

The fourth proportional to 556,208.79, 767,569.02 and 301,560.63 is: 416,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,208.79 : 767,569.02 = 301,560.63 : x
  2. Step 2: Convert to fraction form
    556,208.79/767,569.02 = 301,560.63/x
  3. Step 3: Cross multiply
    556,208.79x = 767,569.02 × 301,560.63
  4. Step 4: Simplify right side
    556,208.79x = 231,468,597,239.68
  5. Step 5: Solve for x
    x = 231,468,597,239.68/556,208.79
  6. Step 6: Final answer
    x = 416,154.15

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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.