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Finding the Fourth Proportional to 651,207.48, 898,172.15 and 570,494.88

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Solution

The fourth proportional to 651,207.48, 898,172.15 and 570,494.88 is: 786,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,207.48 : 898,172.15 = 570,494.88 : x
  2. Step 2: Convert to fraction form
    651,207.48/898,172.15 = 570,494.88/x
  3. Step 3: Cross multiply
    651,207.48x = 898,172.15 × 570,494.88
  4. Step 4: Simplify right side
    651,207.48x = 512,402,610,081.12
  5. Step 5: Solve for x
    x = 512,402,610,081.12/651,207.48
  6. Step 6: Final answer
    x = 786,850.00

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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.