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Finding the Fourth Proportional to 350,200.70, 486,539.60 and 346,001.66

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Solution

The fourth proportional to 350,200.70, 486,539.60 and 346,001.66 is: 480,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,200.70 : 486,539.60 = 346,001.66 : x
  2. Step 2: Convert to fraction form
    350,200.70/486,539.60 = 346,001.66/x
  3. Step 3: Cross multiply
    350,200.70x = 486,539.60 × 346,001.66
  4. Step 4: Simplify right side
    350,200.70x = 168,343,509,255.74
  5. Step 5: Solve for x
    x = 168,343,509,255.74/350,200.70
  6. Step 6: Final answer
    x = 480,705.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.