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Finding the Fourth Proportional to 551,032.60, 824,972.10 and 339,244.60

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Solution

The fourth proportional to 551,032.60, 824,972.10 and 339,244.60 is: 507,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,032.60 : 824,972.10 = 339,244.60 : x
  2. Step 2: Convert to fraction form
    551,032.60/824,972.10 = 339,244.60/x
  3. Step 3: Cross multiply
    551,032.60x = 824,972.10 × 339,244.60
  4. Step 4: Simplify right side
    551,032.60x = 279,867,330,075.66
  5. Step 5: Solve for x
    x = 279,867,330,075.66/551,032.60
  6. Step 6: Final answer
    x = 507,896.14

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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.