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Finding the Fourth Proportional to 551,486.10, 773,130.30 and 551,486.10

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Solution

The fourth proportional to 551,486.10, 773,130.30 and 551,486.10 is: 773,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,486.10 : 773,130.30 = 551,486.10 : x
  2. Step 2: Convert to fraction form
    551,486.10/773,130.30 = 551,486.10/x
  3. Step 3: Cross multiply
    551,486.10x = 773,130.30 × 551,486.10
  4. Step 4: Simplify right side
    551,486.10x = 426,370,613,938.83
  5. Step 5: Solve for x
    x = 426,370,613,938.83/551,486.10
  6. Step 6: Final answer
    x = 773,130.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.