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Finding the Fourth Proportional to 934,547.28, 1,401,800.70 and 260,610.60

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Solution

The fourth proportional to 934,547.28, 1,401,800.70 and 260,610.60 is: 390,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,547.28 : 1,401,800.70 = 260,610.60 : x
  2. Step 2: Convert to fraction form
    934,547.28/1,401,800.70 = 260,610.60/x
  3. Step 3: Cross multiply
    934,547.28x = 1,401,800.70 × 260,610.60
  4. Step 4: Simplify right side
    934,547.28x = 365,324,121,507.42
  5. Step 5: Solve for x
    x = 365,324,121,507.42/934,547.28
  6. Step 6: Final answer
    x = 390,910.26

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Double scale
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Similar ratio
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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.