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Finding the Fourth Proportional to 306,656.55, 459,984.83 and 292,878.45

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Solution

The fourth proportional to 306,656.55, 459,984.83 and 292,878.45 is: 439,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,656.55 : 459,984.83 = 292,878.45 : x
  2. Step 2: Convert to fraction form
    306,656.55/459,984.83 = 292,878.45/x
  3. Step 3: Cross multiply
    306,656.55x = 459,984.83 × 292,878.45
  4. Step 4: Simplify right side
    306,656.55x = 134,719,642,569.52
  5. Step 5: Solve for x
    x = 134,719,642,569.52/306,656.55
  6. Step 6: Final answer
    x = 439,317.68

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Similar ratio
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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.