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Finding the Fourth Proportional to 835,905.84, 1,154,151 and 514,048.56

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Solution

The fourth proportional to 835,905.84, 1,154,151 and 514,048.56 is: 709,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,905.84 : 1,154,151 = 514,048.56 : x
  2. Step 2: Convert to fraction form
    835,905.84/1,154,151 = 514,048.56/x
  3. Step 3: Cross multiply
    835,905.84x = 1,154,151 × 514,048.56
  4. Step 4: Simplify right side
    835,905.84x = 593,289,659,572.56
  5. Step 5: Solve for x
    x = 593,289,659,572.56/835,905.84
  6. Step 6: Final answer
    x = 709,756.57

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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.