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Finding the Fourth Proportional to 585,037.40, 877,556.10 and 518,552.60

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Solution

The fourth proportional to 585,037.40, 877,556.10 and 518,552.60 is: 777,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,037.40 : 877,556.10 = 518,552.60 : x
  2. Step 2: Convert to fraction form
    585,037.40/877,556.10 = 518,552.60/x
  3. Step 3: Cross multiply
    585,037.40x = 877,556.10 × 518,552.60
  4. Step 4: Simplify right side
    585,037.40x = 455,058,997,300.86
  5. Step 5: Solve for x
    x = 455,058,997,300.86/585,037.40
  6. Step 6: Final answer
    x = 777,828.90

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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.