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Finding the Fourth Proportional to 526,823.25, 726,522.60 and 349,700.34

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Solution

The fourth proportional to 526,823.25, 726,522.60 and 349,700.34 is: 482,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,823.25 : 726,522.60 = 349,700.34 : x
  2. Step 2: Convert to fraction form
    526,823.25/726,522.60 = 349,700.34/x
  3. Step 3: Cross multiply
    526,823.25x = 726,522.60 × 349,700.34
  4. Step 4: Simplify right side
    526,823.25x = 254,065,201,549.06
  5. Step 5: Solve for x
    x = 254,065,201,549.06/526,823.25
  6. Step 6: Final answer
    x = 482,258.90

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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.