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Finding the Fourth Proportional to 293,181.60, 439,772.40 and 260,522.40

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Solution

The fourth proportional to 293,181.60, 439,772.40 and 260,522.40 is: 390,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,181.60 : 439,772.40 = 260,522.40 : x
  2. Step 2: Convert to fraction form
    293,181.60/439,772.40 = 260,522.40/x
  3. Step 3: Cross multiply
    293,181.60x = 439,772.40 × 260,522.40
  4. Step 4: Simplify right side
    293,181.60x = 114,570,561,101.76
  5. Step 5: Solve for x
    x = 114,570,561,101.76/293,181.60
  6. Step 6: Final answer
    x = 390,783.60

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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.