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Finding the Fourth Proportional to 598,839.70, 898,514.70 and 314,748.40

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Solution

The fourth proportional to 598,839.70, 898,514.70 and 314,748.40 is: 472,256.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,839.70 : 898,514.70 = 314,748.40 : x
  2. Step 2: Convert to fraction form
    598,839.70/898,514.70 = 314,748.40/x
  3. Step 3: Cross multiply
    598,839.70x = 898,514.70 × 314,748.40
  4. Step 4: Simplify right side
    598,839.70x = 282,806,064,201.48
  5. Step 5: Solve for x
    x = 282,806,064,201.48/598,839.70
  6. Step 6: Final answer
    x = 472,256.71

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1.5x scale

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.