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Finding the Fourth Proportional to 917,035, 1,265,624.94 and 514,627

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Solution

The fourth proportional to 917,035, 1,265,624.94 and 514,627 is: 710,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,035 : 1,265,624.94 = 514,627 : x
  2. Step 2: Convert to fraction form
    917,035/1,265,624.94 = 514,627/x
  3. Step 3: Cross multiply
    917,035x = 1,265,624.94 × 514,627
  4. Step 4: Simplify right side
    917,035x = 651,324,765,997.38
  5. Step 5: Solve for x
    x = 651,324,765,997.38/917,035
  6. Step 6: Final answer
    x = 710,250.72

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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.