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Finding the Fourth Proportional to 623,634.60, 935,998.65 and 370,598.70

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Solution

The fourth proportional to 623,634.60, 935,998.65 and 370,598.70 is: 556,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,634.60 : 935,998.65 = 370,598.70 : x
  2. Step 2: Convert to fraction form
    623,634.60/935,998.65 = 370,598.70/x
  3. Step 3: Cross multiply
    623,634.60x = 935,998.65 × 370,598.70
  4. Step 4: Simplify right side
    623,634.60x = 346,879,882,891.76
  5. Step 5: Solve for x
    x = 346,879,882,891.76/623,634.60
  6. Step 6: Final answer
    x = 556,222.96

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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.