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Finding the Fourth Proportional to 315,618.56, 473,538.24 and 197,151.04

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Solution

The fourth proportional to 315,618.56, 473,538.24 and 197,151.04 is: 295,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,618.56 : 473,538.24 = 197,151.04 : x
  2. Step 2: Convert to fraction form
    315,618.56/473,538.24 = 197,151.04/x
  3. Step 3: Cross multiply
    315,618.56x = 473,538.24 × 197,151.04
  4. Step 4: Simplify right side
    315,618.56x = 93,358,556,495.77
  5. Step 5: Solve for x
    x = 93,358,556,495.77/315,618.56
  6. Step 6: Final answer
    x = 295,795.52

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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.