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Finding the Fourth Proportional to 1,755,024, 2,632,536 and 425,328

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Solution

The fourth proportional to 1,755,024, 2,632,536 and 425,328 is: 637,992

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,024 : 2,632,536 = 425,328 : x
  2. Step 2: Convert to fraction form
    1,755,024/2,632,536 = 425,328/x
  3. Step 3: Cross multiply
    1,755,024x = 2,632,536 × 425,328
  4. Step 4: Simplify right side
    1,755,024x = 1,119,691,271,808
  5. Step 5: Solve for x
    x = 1,119,691,271,808/1,755,024
  6. Step 6: Final answer
    x = 637,992

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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.