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Finding the Fourth Proportional to 326,068.10, 489,102.15 and 296,543.60

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Solution

The fourth proportional to 326,068.10, 489,102.15 and 296,543.60 is: 444,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,068.10 : 489,102.15 = 296,543.60 : x
  2. Step 2: Convert to fraction form
    326,068.10/489,102.15 = 296,543.60/x
  3. Step 3: Cross multiply
    326,068.10x = 489,102.15 × 296,543.60
  4. Step 4: Simplify right side
    326,068.10x = 145,040,112,328.74
  5. Step 5: Solve for x
    x = 145,040,112,328.74/326,068.10
  6. Step 6: Final answer
    x = 444,815.40

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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.