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Finding the Fourth Proportional to 525,102.60, 785,904.30 and 483,112.20

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Solution

The fourth proportional to 525,102.60, 785,904.30 and 483,112.20 is: 723,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,102.60 : 785,904.30 = 483,112.20 : x
  2. Step 2: Convert to fraction form
    525,102.60/785,904.30 = 483,112.20/x
  3. Step 3: Cross multiply
    525,102.60x = 785,904.30 × 483,112.20
  4. Step 4: Simplify right side
    525,102.60x = 379,679,955,362.46
  5. Step 5: Solve for x
    x = 379,679,955,362.46/525,102.60
  6. Step 6: Final answer
    x = 723,058.61

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1.5x scale

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.