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Finding the Fourth Proportional to 425,322.12, 586,946.32 and 234,335.50

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Solution

The fourth proportional to 425,322.12, 586,946.32 and 234,335.50 is: 323,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,322.12 : 586,946.32 = 234,335.50 : x
  2. Step 2: Convert to fraction form
    425,322.12/586,946.32 = 234,335.50/x
  3. Step 3: Cross multiply
    425,322.12x = 586,946.32 × 234,335.50
  4. Step 4: Simplify right side
    425,322.12x = 137,542,359,370.36
  5. Step 5: Solve for x
    x = 137,542,359,370.36/425,322.12
  6. Step 6: Final answer
    x = 323,383.98

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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.