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Finding the Fourth Proportional to 573,085.09, 790,612.08 and 357,851.47

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Solution

The fourth proportional to 573,085.09, 790,612.08 and 357,851.47 is: 493,681.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,085.09 : 790,612.08 = 357,851.47 : x
  2. Step 2: Convert to fraction form
    573,085.09/790,612.08 = 357,851.47/x
  3. Step 3: Cross multiply
    573,085.09x = 790,612.08 × 357,851.47
  4. Step 4: Simplify right side
    573,085.09x = 282,921,695,027.76
  5. Step 5: Solve for x
    x = 282,921,695,027.76/573,085.09
  6. Step 6: Final answer
    x = 493,681.83

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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.