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Finding the Fourth Proportional to 589,955.84, 813,946.44 and 348,156.80

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Solution

The fourth proportional to 589,955.84, 813,946.44 and 348,156.80 is: 480,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,955.84 : 813,946.44 = 348,156.80 : x
  2. Step 2: Convert to fraction form
    589,955.84/813,946.44 = 348,156.80/x
  3. Step 3: Cross multiply
    589,955.84x = 813,946.44 × 348,156.80
  4. Step 4: Simplify right side
    589,955.84x = 283,380,987,921.79
  5. Step 5: Solve for x
    x = 283,380,987,921.79/589,955.84
  6. Step 6: Final answer
    x = 480,342.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.