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Finding the Fourth Proportional to 314,701.20, 473,218.20 and 263,379.60

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Solution

The fourth proportional to 314,701.20, 473,218.20 and 263,379.60 is: 396,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,701.20 : 473,218.20 = 263,379.60 : x
  2. Step 2: Convert to fraction form
    314,701.20/473,218.20 = 263,379.60/x
  3. Step 3: Cross multiply
    314,701.20x = 473,218.20 × 263,379.60
  4. Step 4: Simplify right side
    314,701.20x = 124,636,020,228.72
  5. Step 5: Solve for x
    x = 124,636,020,228.72/314,701.20
  6. Step 6: Final answer
    x = 396,045.58

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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.