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Finding the Fourth Proportional to 353,875.29, 488,353.47 and 192,730.22

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Solution

The fourth proportional to 353,875.29, 488,353.47 and 192,730.22 is: 265,970.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,875.29 : 488,353.47 = 192,730.22 : x
  2. Step 2: Convert to fraction form
    353,875.29/488,353.47 = 192,730.22/x
  3. Step 3: Cross multiply
    353,875.29x = 488,353.47 × 192,730.22
  4. Step 4: Simplify right side
    353,875.29x = 94,120,470,377.68
  5. Step 5: Solve for x
    x = 94,120,470,377.68/353,875.29
  6. Step 6: Final answer
    x = 265,970.74

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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.