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Finding the Fourth Proportional to 358,433.76, 493,570.86 and 350,477.70

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Solution

The fourth proportional to 358,433.76, 493,570.86 and 350,477.70 is: 482,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,433.76 : 493,570.86 = 350,477.70 : x
  2. Step 2: Convert to fraction form
    358,433.76/493,570.86 = 350,477.70/x
  3. Step 3: Cross multiply
    358,433.76x = 493,570.86 × 350,477.70
  4. Step 4: Simplify right side
    358,433.76x = 172,985,579,799.82
  5. Step 5: Solve for x
    x = 172,985,579,799.82/358,433.76
  6. Step 6: Final answer
    x = 482,615.20

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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.