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Finding the Fourth Proportional to 425,005.34, 586,520.28 and 234,025.57

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Solution

The fourth proportional to 425,005.34, 586,520.28 and 234,025.57 is: 322,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,005.34 : 586,520.28 = 234,025.57 : x
  2. Step 2: Convert to fraction form
    425,005.34/586,520.28 = 234,025.57/x
  3. Step 3: Cross multiply
    425,005.34x = 586,520.28 × 234,025.57
  4. Step 4: Simplify right side
    425,005.34x = 137,260,742,843.56
  5. Step 5: Solve for x
    x = 137,260,742,843.56/425,005.34
  6. Step 6: Final answer
    x = 322,962.40

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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.