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Finding the Fourth Proportional to 597,312.80, 894,932.40 and 386,842.40

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Solution

The fourth proportional to 597,312.80, 894,932.40 and 386,842.40 is: 579,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,312.80 : 894,932.40 = 386,842.40 : x
  2. Step 2: Convert to fraction form
    597,312.80/894,932.40 = 386,842.40/x
  3. Step 3: Cross multiply
    597,312.80x = 894,932.40 × 386,842.40
  4. Step 4: Simplify right side
    597,312.80x = 346,197,797,453.76
  5. Step 5: Solve for x
    x = 346,197,797,453.76/597,312.80
  6. Step 6: Final answer
    x = 579,592.13

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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.