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Finding the Fourth Proportional to 569,904.78, 786,391.56 and 324,921.14

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Solution

The fourth proportional to 569,904.78, 786,391.56 and 324,921.14 is: 448,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,904.78 : 786,391.56 = 324,921.14 : x
  2. Step 2: Convert to fraction form
    569,904.78/786,391.56 = 324,921.14/x
  3. Step 3: Cross multiply
    569,904.78x = 786,391.56 × 324,921.14
  4. Step 4: Simplify right side
    569,904.78x = 255,515,242,161.58
  5. Step 5: Solve for x
    x = 255,515,242,161.58/569,904.78
  6. Step 6: Final answer
    x = 448,347.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.