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Finding the Fourth Proportional to 353,254.32, 487,488.56 and 192,108.93

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Solution

The fourth proportional to 353,254.32, 487,488.56 and 192,108.93 is: 265,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,254.32 : 487,488.56 = 192,108.93 : x
  2. Step 2: Convert to fraction form
    353,254.32/487,488.56 = 192,108.93/x
  3. Step 3: Cross multiply
    353,254.32x = 487,488.56 × 192,108.93
  4. Step 4: Simplify right side
    353,254.32x = 93,650,904,688.30
  5. Step 5: Solve for x
    x = 93,650,904,688.30/353,254.32
  6. Step 6: Final answer
    x = 265,109.01

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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.