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Finding the Fourth Proportional to 532,526.36, 734,859 and 290,762.36

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Solution

The fourth proportional to 532,526.36, 734,859 and 290,762.36 is: 401,237.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,526.36 : 734,859 = 290,762.36 : x
  2. Step 2: Convert to fraction form
    532,526.36/734,859 = 290,762.36/x
  3. Step 3: Cross multiply
    532,526.36x = 734,859 × 290,762.36
  4. Step 4: Simplify right side
    532,526.36x = 213,669,337,107.24
  5. Step 5: Solve for x
    x = 213,669,337,107.24/532,526.36
  6. Step 6: Final answer
    x = 401,237.11

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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.