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Finding the Fourth Proportional to 898,702.90, 1,348,819.80 and 366,605.80

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Solution

The fourth proportional to 898,702.90, 1,348,819.80 and 366,605.80 is: 550,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,702.90 : 1,348,819.80 = 366,605.80 : x
  2. Step 2: Convert to fraction form
    898,702.90/1,348,819.80 = 366,605.80/x
  3. Step 3: Cross multiply
    898,702.90x = 1,348,819.80 × 366,605.80
  4. Step 4: Simplify right side
    898,702.90x = 494,485,161,834.84
  5. Step 5: Solve for x
    x = 494,485,161,834.84/898,702.90
  6. Step 6: Final answer
    x = 550,220.95

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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.