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Finding the Fourth Proportional to 590,688.30, 886,032.45 and 551,030.70

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Solution

The fourth proportional to 590,688.30, 886,032.45 and 551,030.70 is: 826,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,688.30 : 886,032.45 = 551,030.70 : x
  2. Step 2: Convert to fraction form
    590,688.30/886,032.45 = 551,030.70/x
  3. Step 3: Cross multiply
    590,688.30x = 886,032.45 × 551,030.70
  4. Step 4: Simplify right side
    590,688.30x = 488,231,081,146.22
  5. Step 5: Solve for x
    x = 488,231,081,146.22/590,688.30
  6. Step 6: Final answer
    x = 826,546.05

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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.