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Finding the Fourth Proportional to 614,085.80, 847,404.60 and 338,389.36

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Solution

The fourth proportional to 614,085.80, 847,404.60 and 338,389.36 is: 466,958.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,085.80 : 847,404.60 = 338,389.36 : x
  2. Step 2: Convert to fraction form
    614,085.80/847,404.60 = 338,389.36/x
  3. Step 3: Cross multiply
    614,085.80x = 847,404.60 × 338,389.36
  4. Step 4: Simplify right side
    614,085.80x = 286,752,700,255.06
  5. Step 5: Solve for x
    x = 286,752,700,255.06/614,085.80
  6. Step 6: Final answer
    x = 466,958.69

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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.