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Finding the Fourth Proportional to 425,689.08, 587,455.51 and 232,095.21

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Solution

The fourth proportional to 425,689.08, 587,455.51 and 232,095.21 is: 320,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,689.08 : 587,455.51 = 232,095.21 : x
  2. Step 2: Convert to fraction form
    425,689.08/587,455.51 = 232,095.21/x
  3. Step 3: Cross multiply
    425,689.08x = 587,455.51 × 232,095.21
  4. Step 4: Simplify right side
    425,689.08x = 136,345,610,539.35
  5. Step 5: Solve for x
    x = 136,345,610,539.35/425,689.08
  6. Step 6: Final answer
    x = 320,293.89

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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.