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Finding the Fourth Proportional to 611,575.80, 917,363.70 and 598,453.80

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Solution

The fourth proportional to 611,575.80, 917,363.70 and 598,453.80 is: 897,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,575.80 : 917,363.70 = 598,453.80 : x
  2. Step 2: Convert to fraction form
    611,575.80/917,363.70 = 598,453.80/x
  3. Step 3: Cross multiply
    611,575.80x = 917,363.70 × 598,453.80
  4. Step 4: Simplify right side
    611,575.80x = 548,999,792,247.06
  5. Step 5: Solve for x
    x = 548,999,792,247.06/611,575.80
  6. Step 6: Final answer
    x = 897,680.70

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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.