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Finding the Fourth Proportional to 572,898.04, 790,604.70 and 314,780.38

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Solution

The fourth proportional to 572,898.04, 790,604.70 and 314,780.38 is: 434,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,898.04 : 790,604.70 = 314,780.38 : x
  2. Step 2: Convert to fraction form
    572,898.04/790,604.70 = 314,780.38/x
  3. Step 3: Cross multiply
    572,898.04x = 790,604.70 × 314,780.38
  4. Step 4: Simplify right side
    572,898.04x = 248,866,847,895.79
  5. Step 5: Solve for x
    x = 248,866,847,895.79/572,898.04
  6. Step 6: Final answer
    x = 434,399.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.