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Finding the Fourth Proportional to 414,445.64, 621,666.42 and 358,114.32

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Solution

The fourth proportional to 414,445.64, 621,666.42 and 358,114.32 is: 537,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,445.64 : 621,666.42 = 358,114.32 : x
  2. Step 2: Convert to fraction form
    414,445.64/621,666.42 = 358,114.32/x
  3. Step 3: Cross multiply
    414,445.64x = 621,666.42 × 358,114.32
  4. Step 4: Simplify right side
    414,445.64x = 222,627,647,265.13
  5. Step 5: Solve for x
    x = 222,627,647,265.13/414,445.64
  6. Step 6: Final answer
    x = 537,169.72

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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.