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Finding the Fourth Proportional to 651,207.62, 898,172.34 and 570,495.02

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Solution

The fourth proportional to 651,207.62, 898,172.34 and 570,495.02 is: 786,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,207.62 : 898,172.34 = 570,495.02 : x
  2. Step 2: Convert to fraction form
    651,207.62/898,172.34 = 570,495.02/x
  3. Step 3: Cross multiply
    651,207.62x = 898,172.34 × 570,495.02
  4. Step 4: Simplify right side
    651,207.62x = 512,402,846,563.43
  5. Step 5: Solve for x
    x = 512,402,846,563.43/651,207.62
  6. Step 6: Final answer
    x = 786,850.20

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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.