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Finding the Fourth Proportional to 353,065.60, 529,598.40 and 307,446.40

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Solution

The fourth proportional to 353,065.60, 529,598.40 and 307,446.40 is: 461,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,065.60 : 529,598.40 = 307,446.40 : x
  2. Step 2: Convert to fraction form
    353,065.60/529,598.40 = 307,446.40/x
  3. Step 3: Cross multiply
    353,065.60x = 529,598.40 × 307,446.40
  4. Step 4: Simplify right side
    353,065.60x = 162,823,121,525.76
  5. Step 5: Solve for x
    x = 162,823,121,525.76/353,065.60
  6. Step 6: Final answer
    x = 461,169.60

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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.