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Finding the Fourth Proportional to 350,131.40, 525,830.70 and 306,585.80

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Solution

The fourth proportional to 350,131.40, 525,830.70 and 306,585.80 is: 460,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,131.40 : 525,830.70 = 306,585.80 : x
  2. Step 2: Convert to fraction form
    350,131.40/525,830.70 = 306,585.80/x
  3. Step 3: Cross multiply
    350,131.40x = 525,830.70 × 306,585.80
  4. Step 4: Simplify right side
    350,131.40x = 161,212,225,824.06
  5. Step 5: Solve for x
    x = 161,212,225,824.06/350,131.40
  6. Step 6: Final answer
    x = 460,433.50

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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.