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Finding the Fourth Proportional to 556,037.40, 767,332.38 and 301,388.52

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Solution

The fourth proportional to 556,037.40, 767,332.38 and 301,388.52 is: 415,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,037.40 : 767,332.38 = 301,388.52 : x
  2. Step 2: Convert to fraction form
    556,037.40/767,332.38 = 301,388.52/x
  3. Step 3: Cross multiply
    556,037.40x = 767,332.38 × 301,388.52
  4. Step 4: Simplify right side
    556,037.40x = 231,265,170,356.28
  5. Step 5: Solve for x
    x = 231,265,170,356.28/556,037.40
  6. Step 6: Final answer
    x = 415,916.57

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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.