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Finding the Fourth Proportional to 348,549.40, 522,824.10 and 310,495.60

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Solution

The fourth proportional to 348,549.40, 522,824.10 and 310,495.60 is: 465,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,549.40 : 522,824.10 = 310,495.60 : x
  2. Step 2: Convert to fraction form
    348,549.40/522,824.10 = 310,495.60/x
  3. Step 3: Cross multiply
    348,549.40x = 522,824.10 × 310,495.60
  4. Step 4: Simplify right side
    348,549.40x = 162,334,582,623.96
  5. Step 5: Solve for x
    x = 162,334,582,623.96/348,549.40
  6. Step 6: Final answer
    x = 465,743.40

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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.