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Finding the Fourth Proportional to 328,467.60, 492,701.40 and 295,808.40

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Solution

The fourth proportional to 328,467.60, 492,701.40 and 295,808.40 is: 443,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,467.60 : 492,701.40 = 295,808.40 : x
  2. Step 2: Convert to fraction form
    328,467.60/492,701.40 = 295,808.40/x
  3. Step 3: Cross multiply
    328,467.60x = 492,701.40 × 295,808.40
  4. Step 4: Simplify right side
    328,467.60x = 145,745,212,811.76
  5. Step 5: Solve for x
    x = 145,745,212,811.76/328,467.60
  6. Step 6: Final answer
    x = 443,712.60

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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.