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Finding the Fourth Proportional to 986,328, 1,361,055.08 and 604,302.84

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Solution

The fourth proportional to 986,328, 1,361,055.08 and 604,302.84 is: 833,890.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,328 : 1,361,055.08 = 604,302.84 : x
  2. Step 2: Convert to fraction form
    986,328/1,361,055.08 = 604,302.84/x
  3. Step 3: Cross multiply
    986,328x = 1,361,055.08 × 604,302.84
  4. Step 4: Simplify right side
    986,328x = 822,489,450,240.43
  5. Step 5: Solve for x
    x = 822,489,450,240.43/986,328
  6. Step 6: Final answer
    x = 833,890.40

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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.