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Finding the Fourth Proportional to 350,409.60, 525,614.40 and 346,723.20

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Solution

The fourth proportional to 350,409.60, 525,614.40 and 346,723.20 is: 520,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,409.60 : 525,614.40 = 346,723.20 : x
  2. Step 2: Convert to fraction form
    350,409.60/525,614.40 = 346,723.20/x
  3. Step 3: Cross multiply
    350,409.60x = 525,614.40 × 346,723.20
  4. Step 4: Simplify right side
    350,409.60x = 182,242,706,734.08
  5. Step 5: Solve for x
    x = 182,242,706,734.08/350,409.60
  6. Step 6: Final answer
    x = 520,084.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.