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Finding the Fourth Proportional to 370,859.50, 559,068.84 and 346,141.69

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Solution

The fourth proportional to 370,859.50, 559,068.84 and 346,141.69 is: 521,806.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,859.50 : 559,068.84 = 346,141.69 : x
  2. Step 2: Convert to fraction form
    370,859.50/559,068.84 = 346,141.69/x
  3. Step 3: Cross multiply
    370,859.50x = 559,068.84 × 346,141.69
  4. Step 4: Simplify right side
    370,859.50x = 193,517,030,308.60
  5. Step 5: Solve for x
    x = 193,517,030,308.60/370,859.50
  6. Step 6: Final answer
    x = 521,806.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.