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Finding the Fourth Proportional to 525,101.60, 785,902.80 and 483,111.20

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Solution

The fourth proportional to 525,101.60, 785,902.80 and 483,111.20 is: 723,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,101.60 : 785,902.80 = 483,111.20 : x
  2. Step 2: Convert to fraction form
    525,101.60/785,902.80 = 483,111.20/x
  3. Step 3: Cross multiply
    525,101.60x = 785,902.80 × 483,111.20
  4. Step 4: Simplify right side
    525,101.60x = 379,678,444,791.36
  5. Step 5: Solve for x
    x = 379,678,444,791.36/525,101.60
  6. Step 6: Final answer
    x = 723,057.11

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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.