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Finding the Fourth Proportional to 567,551.16, 783,226.08 and 312,911.64

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Solution

The fourth proportional to 567,551.16, 783,226.08 and 312,911.64 is: 431,821.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,551.16 : 783,226.08 = 312,911.64 : x
  2. Step 2: Convert to fraction form
    567,551.16/783,226.08 = 312,911.64/x
  3. Step 3: Cross multiply
    567,551.16x = 783,226.08 × 312,911.64
  4. Step 4: Simplify right side
    567,551.16x = 245,080,557,183.57
  5. Step 5: Solve for x
    x = 245,080,557,183.57/567,551.16
  6. Step 6: Final answer
    x = 431,821.08

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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.