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Finding the Fourth Proportional to 517,587.68, 776,972.28 and 346,936.34

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Solution

The fourth proportional to 517,587.68, 776,972.28 and 346,936.34 is: 520,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,587.68 : 776,972.28 = 346,936.34 : x
  2. Step 2: Convert to fraction form
    517,587.68/776,972.28 = 346,936.34/x
  3. Step 3: Cross multiply
    517,587.68x = 776,972.28 × 346,936.34
  4. Step 4: Simplify right side
    517,587.68x = 269,559,919,104.66
  5. Step 5: Solve for x
    x = 269,559,919,104.66/517,587.68
  6. Step 6: Final answer
    x = 520,800.49

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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.