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Finding the Fourth Proportional to 425,436.32, 587,106.08 and 234,456.48

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Solution

The fourth proportional to 425,436.32, 587,106.08 and 234,456.48 is: 323,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,436.32 : 587,106.08 = 234,456.48 : x
  2. Step 2: Convert to fraction form
    425,436.32/587,106.08 = 234,456.48/x
  3. Step 3: Cross multiply
    425,436.32x = 587,106.08 × 234,456.48
  4. Step 4: Simplify right side
    425,436.32x = 137,650,824,903.40
  5. Step 5: Solve for x
    x = 137,650,824,903.40/425,436.32
  6. Step 6: Final answer
    x = 323,552.12

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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.