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Finding the Fourth Proportional to 653,982.40, 902,522.40 and 367,501.60

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Solution

The fourth proportional to 653,982.40, 902,522.40 and 367,501.60 is: 507,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,982.40 : 902,522.40 = 367,501.60 : x
  2. Step 2: Convert to fraction form
    653,982.40/902,522.40 = 367,501.60/x
  3. Step 3: Cross multiply
    653,982.40x = 902,522.40 × 367,501.60
  4. Step 4: Simplify right side
    653,982.40x = 331,678,426,035.84
  5. Step 5: Solve for x
    x = 331,678,426,035.84/653,982.40
  6. Step 6: Final answer
    x = 507,167.21

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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.