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Finding the Fourth Proportional to 355,235.60, 532,853.40 and 326,205.20

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Solution

The fourth proportional to 355,235.60, 532,853.40 and 326,205.20 is: 489,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,235.60 : 532,853.40 = 326,205.20 : x
  2. Step 2: Convert to fraction form
    355,235.60/532,853.40 = 326,205.20/x
  3. Step 3: Cross multiply
    355,235.60x = 532,853.40 × 326,205.20
  4. Step 4: Simplify right side
    355,235.60x = 173,819,549,917.68
  5. Step 5: Solve for x
    x = 173,819,549,917.68/355,235.60
  6. Step 6: Final answer
    x = 489,307.80

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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.