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Finding the Fourth Proportional to 525,026.40, 786,632.40 and 243,967.20

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Solution

The fourth proportional to 525,026.40, 786,632.40 and 243,967.20 is: 365,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,026.40 : 786,632.40 = 243,967.20 : x
  2. Step 2: Convert to fraction form
    525,026.40/786,632.40 = 243,967.20/x
  3. Step 3: Cross multiply
    525,026.40x = 786,632.40 × 243,967.20
  4. Step 4: Simplify right side
    525,026.40x = 191,912,504,057.28
  5. Step 5: Solve for x
    x = 191,912,504,057.28/525,026.40
  6. Step 6: Final answer
    x = 365,529.25

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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.