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Finding the Fourth Proportional to 575,762.48, 794,553.48 and 321,130.04

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Solution

The fourth proportional to 575,762.48, 794,553.48 and 321,130.04 is: 443,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,762.48 : 794,553.48 = 321,130.04 : x
  2. Step 2: Convert to fraction form
    575,762.48/794,553.48 = 321,130.04/x
  3. Step 3: Cross multiply
    575,762.48x = 794,553.48 × 321,130.04
  4. Step 4: Simplify right side
    575,762.48x = 255,154,990,814.54
  5. Step 5: Solve for x
    x = 255,154,990,814.54/575,762.48
  6. Step 6: Final answer
    x = 443,160.16

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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.