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Finding the Fourth Proportional to 317,316.96, 475,953.03 and 148,874.22

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Solution

The fourth proportional to 317,316.96, 475,953.03 and 148,874.22 is: 223,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,316.96 : 475,953.03 = 148,874.22 : x
  2. Step 2: Convert to fraction form
    317,316.96/475,953.03 = 148,874.22/x
  3. Step 3: Cross multiply
    317,316.96x = 475,953.03 × 148,874.22
  4. Step 4: Simplify right side
    317,316.96x = 70,857,136,097.89
  5. Step 5: Solve for x
    x = 70,857,136,097.89/317,316.96
  6. Step 6: Final answer
    x = 223,300.82

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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.