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Finding the Fourth Proportional to 373,477.60, 560,216.40 and 307,867.60

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Solution

The fourth proportional to 373,477.60, 560,216.40 and 307,867.60 is: 461,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,477.60 : 560,216.40 = 307,867.60 : x
  2. Step 2: Convert to fraction form
    373,477.60/560,216.40 = 307,867.60/x
  3. Step 3: Cross multiply
    373,477.60x = 560,216.40 × 307,867.60
  4. Step 4: Simplify right side
    373,477.60x = 172,472,478,548.64
  5. Step 5: Solve for x
    x = 172,472,478,548.64/373,477.60
  6. Step 6: Final answer
    x = 461,801.40

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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.