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Finding the Fourth Proportional to 355,093.60, 532,640.40 and 299,106.40

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Solution

The fourth proportional to 355,093.60, 532,640.40 and 299,106.40 is: 448,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,093.60 : 532,640.40 = 299,106.40 : x
  2. Step 2: Convert to fraction form
    355,093.60/532,640.40 = 299,106.40/x
  3. Step 3: Cross multiply
    355,093.60x = 532,640.40 × 299,106.40
  4. Step 4: Simplify right side
    355,093.60x = 159,316,152,538.56
  5. Step 5: Solve for x
    x = 159,316,152,538.56/355,093.60
  6. Step 6: Final answer
    x = 448,659.60

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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.