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Finding the Fourth Proportional to 529,001.23, 730,245.11 and 357,152.00

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Solution

The fourth proportional to 529,001.23, 730,245.11 and 357,152.00 is: 493,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,001.23 : 730,245.11 = 357,152.00 : x
  2. Step 2: Convert to fraction form
    529,001.23/730,245.11 = 357,152.00/x
  3. Step 3: Cross multiply
    529,001.23x = 730,245.11 × 357,152.00
  4. Step 4: Simplify right side
    529,001.23x = 260,808,500,197.36
  5. Step 5: Solve for x
    x = 260,808,500,197.36/529,001.23
  6. Step 6: Final answer
    x = 493,020.59

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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.