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Finding the Fourth Proportional to 585,132.13, 877,866.32 and 243,509.06

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Solution

The fourth proportional to 585,132.13, 877,866.32 and 243,509.06 is: 365,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,132.13 : 877,866.32 = 243,509.06 : x
  2. Step 2: Convert to fraction form
    585,132.13/877,866.32 = 243,509.06/x
  3. Step 3: Cross multiply
    585,132.13x = 877,866.32 × 243,509.06
  4. Step 4: Simplify right side
    585,132.13x = 213,768,405,192.30
  5. Step 5: Solve for x
    x = 213,768,405,192.30/585,132.13
  6. Step 6: Final answer
    x = 365,333.56

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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.