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Finding the Fourth Proportional to 934,552.80, 1,401,808.96 and 260,616.12

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Solution

The fourth proportional to 934,552.80, 1,401,808.96 and 260,616.12 is: 390,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,552.80 : 1,401,808.96 = 260,616.12 : x
  2. Step 2: Convert to fraction form
    934,552.80/1,401,808.96 = 260,616.12/x
  3. Step 3: Cross multiply
    934,552.80x = 1,401,808.96 × 260,616.12
  4. Step 4: Simplify right side
    934,552.80x = 365,334,012,136.44
  5. Step 5: Solve for x
    x = 365,334,012,136.44/934,552.80
  6. Step 6: Final answer
    x = 390,918.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.