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Finding the Fourth Proportional to 891,334.80, 1,336,411.80 and 492,166.80

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Solution

The fourth proportional to 891,334.80, 1,336,411.80 and 492,166.80 is: 737,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,334.80 : 1,336,411.80 = 492,166.80 : x
  2. Step 2: Convert to fraction form
    891,334.80/1,336,411.80 = 492,166.80/x
  3. Step 3: Cross multiply
    891,334.80x = 1,336,411.80 × 492,166.80
  4. Step 4: Simplify right side
    891,334.80x = 657,737,519,088.24
  5. Step 5: Solve for x
    x = 657,737,519,088.24/891,334.80
  6. Step 6: Final answer
    x = 737,924.20

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Double scale
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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.