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Finding the Fourth Proportional to 933,952.78, 1,400,930.22 and 260,035.57

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Solution

The fourth proportional to 933,952.78, 1,400,930.22 and 260,035.57 is: 390,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,952.78 : 1,400,930.22 = 260,035.57 : x
  2. Step 2: Convert to fraction form
    933,952.78/1,400,930.22 = 260,035.57/x
  3. Step 3: Cross multiply
    933,952.78x = 1,400,930.22 × 260,035.57
  4. Step 4: Simplify right side
    933,952.78x = 364,291,688,287.93
  5. Step 5: Solve for x
    x = 364,291,688,287.93/933,952.78
  6. Step 6: Final answer
    x = 390,053.65

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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.