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Finding the Fourth Proportional to 775,058, 1,069,680.27 and 435,526.28

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Solution

The fourth proportional to 775,058, 1,069,680.27 and 435,526.28 is: 601,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,058 : 1,069,680.27 = 435,526.28 : x
  2. Step 2: Convert to fraction form
    775,058/1,069,680.27 = 435,526.28/x
  3. Step 3: Cross multiply
    775,058x = 1,069,680.27 × 435,526.28
  4. Step 4: Simplify right side
    775,058x = 465,873,868,782.50
  5. Step 5: Solve for x
    x = 465,873,868,782.50/775,058
  6. Step 6: Final answer
    x = 601,082.59

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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.