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Finding the Fourth Proportional to 585,024.40, 877,536.60 and 518,539.60

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Solution

The fourth proportional to 585,024.40, 877,536.60 and 518,539.60 is: 777,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,024.40 : 877,536.60 = 518,539.60 : x
  2. Step 2: Convert to fraction form
    585,024.40/877,536.60 = 518,539.60/x
  3. Step 3: Cross multiply
    585,024.40x = 877,536.60 × 518,539.60
  4. Step 4: Simplify right side
    585,024.40x = 455,037,477,549.36
  5. Step 5: Solve for x
    x = 455,037,477,549.36/585,024.40
  6. Step 6: Final answer
    x = 777,809.40

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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.