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Finding the Fourth Proportional to 609,972.88, 841,750 and 338,038.64

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Solution

The fourth proportional to 609,972.88, 841,750 and 338,038.64 is: 466,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,972.88 : 841,750 = 338,038.64 : x
  2. Step 2: Convert to fraction form
    609,972.88/841,750 = 338,038.64/x
  3. Step 3: Cross multiply
    609,972.88x = 841,750 × 338,038.64
  4. Step 4: Simplify right side
    609,972.88x = 284,544,025,220
  5. Step 5: Solve for x
    x = 284,544,025,220/609,972.88
  6. Step 6: Final answer
    x = 466,486.35

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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.