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Finding the Fourth Proportional to 344,117.20, 514,717.80 and 308,833.60

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Solution

The fourth proportional to 344,117.20, 514,717.80 and 308,833.60 is: 461,941.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,117.20 : 514,717.80 = 308,833.60 : x
  2. Step 2: Convert to fraction form
    344,117.20/514,717.80 = 308,833.60/x
  3. Step 3: Cross multiply
    344,117.20x = 514,717.80 × 308,833.60
  4. Step 4: Simplify right side
    344,117.20x = 158,962,151,158.08
  5. Step 5: Solve for x
    x = 158,962,151,158.08/344,117.20
  6. Step 6: Final answer
    x = 461,941.89

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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.