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Finding the Fourth Proportional to 443,483.92, 611,288.84 and 346,518.24

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Solution

The fourth proportional to 443,483.92, 611,288.84 and 346,518.24 is: 477,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,483.92 : 611,288.84 = 346,518.24 : x
  2. Step 2: Convert to fraction form
    443,483.92/611,288.84 = 346,518.24/x
  3. Step 3: Cross multiply
    443,483.92x = 611,288.84 × 346,518.24
  4. Step 4: Simplify right side
    443,483.92x = 211,822,732,968.44
  5. Step 5: Solve for x
    x = 211,822,732,968.44/443,483.92
  6. Step 6: Final answer
    x = 477,633.40

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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.