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Finding the Fourth Proportional to 283,652.30, 425,478.45 and 260,032.70

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Solution

The fourth proportional to 283,652.30, 425,478.45 and 260,032.70 is: 390,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,652.30 : 425,478.45 = 260,032.70 : x
  2. Step 2: Convert to fraction form
    283,652.30/425,478.45 = 260,032.70/x
  3. Step 3: Cross multiply
    283,652.30x = 425,478.45 × 260,032.70
  4. Step 4: Simplify right side
    283,652.30x = 110,638,310,145.32
  5. Step 5: Solve for x
    x = 110,638,310,145.32/283,652.30
  6. Step 6: Final answer
    x = 390,049.05

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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.