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Finding the Fourth Proportional to 555,307.86, 832,961.83 and 134,583.74

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Solution

The fourth proportional to 555,307.86, 832,961.83 and 134,583.74 is: 201,875.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,307.86 : 832,961.83 = 134,583.74 : x
  2. Step 2: Convert to fraction form
    555,307.86/832,961.83 = 134,583.74/x
  3. Step 3: Cross multiply
    555,307.86x = 832,961.83 × 134,583.74
  4. Step 4: Simplify right side
    555,307.86x = 112,103,118,358.64
  5. Step 5: Solve for x
    x = 112,103,118,358.64/555,307.86
  6. Step 6: Final answer
    x = 201,875.62

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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.