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Finding the Fourth Proportional to 956,854, 1,435,281 and 395,903.08

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Solution

The fourth proportional to 956,854, 1,435,281 and 395,903.08 is: 593,854.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,854 : 1,435,281 = 395,903.08 : x
  2. Step 2: Convert to fraction form
    956,854/1,435,281 = 395,903.08/x
  3. Step 3: Cross multiply
    956,854x = 1,435,281 × 395,903.08
  4. Step 4: Simplify right side
    956,854x = 568,232,168,565.48
  5. Step 5: Solve for x
    x = 568,232,168,565.48/956,854
  6. Step 6: Final answer
    x = 593,854.62

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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.