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Finding the Fourth Proportional to 600,990.84, 829,407.33 and 346,358.43

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Solution

The fourth proportional to 600,990.84, 829,407.33 and 346,358.43 is: 477,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,990.84 : 829,407.33 = 346,358.43 : x
  2. Step 2: Convert to fraction form
    600,990.84/829,407.33 = 346,358.43/x
  3. Step 3: Cross multiply
    600,990.84x = 829,407.33 × 346,358.43
  4. Step 4: Simplify right side
    600,990.84x = 287,272,220,649.29
  5. Step 5: Solve for x
    x = 287,272,220,649.29/600,990.84
  6. Step 6: Final answer
    x = 477,997.67

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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.