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Finding the Fourth Proportional to 607,466.60, 911,199.90 and 291,847.40

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Solution

The fourth proportional to 607,466.60, 911,199.90 and 291,847.40 is: 437,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,466.60 : 911,199.90 = 291,847.40 : x
  2. Step 2: Convert to fraction form
    607,466.60/911,199.90 = 291,847.40/x
  3. Step 3: Cross multiply
    607,466.60x = 911,199.90 × 291,847.40
  4. Step 4: Simplify right side
    607,466.60x = 265,931,321,695.26
  5. Step 5: Solve for x
    x = 265,931,321,695.26/607,466.60
  6. Step 6: Final answer
    x = 437,771.10

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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.