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Finding the Fourth Proportional to 653,743.05, 902,159.96 and 367,256.94

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Solution

The fourth proportional to 653,743.05, 902,159.96 and 367,256.94 is: 506,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,743.05 : 902,159.96 = 367,256.94 : x
  2. Step 2: Convert to fraction form
    653,743.05/902,159.96 = 367,256.94/x
  3. Step 3: Cross multiply
    653,743.05x = 902,159.96 × 367,256.94
  4. Step 4: Simplify right side
    653,743.05x = 331,324,506,300.12
  5. Step 5: Solve for x
    x = 331,324,506,300.12/653,743.05
  6. Step 6: Final answer
    x = 506,811.52

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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.