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Finding the Fourth Proportional to 556,332.32, 767,738.61 and 301,683.71

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Solution

The fourth proportional to 556,332.32, 767,738.61 and 301,683.71 is: 416,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,332.32 : 767,738.61 = 301,683.71 : x
  2. Step 2: Convert to fraction form
    556,332.32/767,738.61 = 301,683.71/x
  3. Step 3: Cross multiply
    556,332.32x = 767,738.61 × 301,683.71
  4. Step 4: Simplify right side
    556,332.32x = 231,614,234,094.39
  5. Step 5: Solve for x
    x = 231,614,234,094.39/556,332.32
  6. Step 6: Final answer
    x = 416,323.53

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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.