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Finding the Fourth Proportional to 674,038.36, 930,552.60 and 467,605

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Solution

The fourth proportional to 674,038.36, 930,552.60 and 467,605 is: 645,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,038.36 : 930,552.60 = 467,605 : x
  2. Step 2: Convert to fraction form
    674,038.36/930,552.60 = 467,605/x
  3. Step 3: Cross multiply
    674,038.36x = 930,552.60 × 467,605
  4. Step 4: Simplify right side
    674,038.36x = 435,131,048,523
  5. Step 5: Solve for x
    x = 435,131,048,523/674,038.36
  6. Step 6: Final answer
    x = 645,558.29

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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.