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Finding the Fourth Proportional to 522,386.58, 783,875.13 and 222,838.86

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Solution

The fourth proportional to 522,386.58, 783,875.13 and 222,838.86 is: 334,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,386.58 : 783,875.13 = 222,838.86 : x
  2. Step 2: Convert to fraction form
    522,386.58/783,875.13 = 222,838.86/x
  3. Step 3: Cross multiply
    522,386.58x = 783,875.13 × 222,838.86
  4. Step 4: Simplify right side
    522,386.58x = 174,677,840,351.55
  5. Step 5: Solve for x
    x = 174,677,840,351.55/522,386.58
  6. Step 6: Final answer
    x = 334,384.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.