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Finding the Fourth Proportional to 755,619.30, 1,059,266.70 and 755,619.30

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Solution

The fourth proportional to 755,619.30, 1,059,266.70 and 755,619.30 is: 1,059,266.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,619.30 : 1,059,266.70 = 755,619.30 : x
  2. Step 2: Convert to fraction form
    755,619.30/1,059,266.70 = 755,619.30/x
  3. Step 3: Cross multiply
    755,619.30x = 1,059,266.70 × 755,619.30
  4. Step 4: Simplify right side
    755,619.30x = 800,402,362,367.31
  5. Step 5: Solve for x
    x = 800,402,362,367.31/755,619.30
  6. Step 6: Final answer
    x = 1,059,266.70

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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.