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Finding the Fourth Proportional to 785,200.70, 1,101,769.30 and 785,200.70

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Solution

The fourth proportional to 785,200.70, 1,101,769.30 and 785,200.70 is: 1,101,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,200.70 : 1,101,769.30 = 785,200.70 : x
  2. Step 2: Convert to fraction form
    785,200.70/1,101,769.30 = 785,200.70/x
  3. Step 3: Cross multiply
    785,200.70x = 1,101,769.30 × 785,200.70
  4. Step 4: Simplify right side
    785,200.70x = 865,110,025,598.51
  5. Step 5: Solve for x
    x = 865,110,025,598.51/785,200.70
  6. Step 6: Final answer
    x = 1,101,769.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.