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Finding the Fourth Proportional to 317,688.16, 475,806.48 and 151,592.80

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Solution

The fourth proportional to 317,688.16, 475,806.48 and 151,592.80 is: 227,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,688.16 : 475,806.48 = 151,592.80 : x
  2. Step 2: Convert to fraction form
    317,688.16/475,806.48 = 151,592.80/x
  3. Step 3: Cross multiply
    317,688.16x = 475,806.48 × 151,592.80
  4. Step 4: Simplify right side
    317,688.16x = 72,128,836,561.34
  5. Step 5: Solve for x
    x = 72,128,836,561.34/317,688.16
  6. Step 6: Final answer
    x = 227,042.89

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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.