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Finding the Fourth Proportional to 382,316.50, 526,818.72 and 295,749.64

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Solution

The fourth proportional to 382,316.50, 526,818.72 and 295,749.64 is: 407,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,316.50 : 526,818.72 = 295,749.64 : x
  2. Step 2: Convert to fraction form
    382,316.50/526,818.72 = 295,749.64/x
  3. Step 3: Cross multiply
    382,316.50x = 526,818.72 × 295,749.64
  4. Step 4: Simplify right side
    382,316.50x = 155,806,446,785.26
  5. Step 5: Solve for x
    x = 155,806,446,785.26/382,316.50
  6. Step 6: Final answer
    x = 407,532.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.