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Finding the Fourth Proportional to 891,302.80, 1,334,894.64 and 535,532.56

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Solution

The fourth proportional to 891,302.80, 1,334,894.64 and 535,532.56 is: 802,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,302.80 : 1,334,894.64 = 535,532.56 : x
  2. Step 2: Convert to fraction form
    891,302.80/1,334,894.64 = 535,532.56/x
  3. Step 3: Cross multiply
    891,302.80x = 1,334,894.64 × 535,532.56
  4. Step 4: Simplify right side
    891,302.80x = 714,879,543,889.48
  5. Step 5: Solve for x
    x = 714,879,543,889.48/891,302.80
  6. Step 6: Final answer
    x = 802,061.37

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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.