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Finding the Fourth Proportional to 573,113.34, 790,567.02 and 357,879.78

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Solution

The fourth proportional to 573,113.34, 790,567.02 and 357,879.78 is: 493,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,113.34 : 790,567.02 = 357,879.78 : x
  2. Step 2: Convert to fraction form
    573,113.34/790,567.02 = 357,879.78/x
  3. Step 3: Cross multiply
    573,113.34x = 790,567.02 × 357,879.78
  4. Step 4: Simplify right side
    573,113.34x = 282,927,951,192.86
  5. Step 5: Solve for x
    x = 282,927,951,192.86/573,113.34
  6. Step 6: Final answer
    x = 493,668.41

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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.