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Finding the Fourth Proportional to 777,602.84, 1,073,102.72 and 433,429.25

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Solution

The fourth proportional to 777,602.84, 1,073,102.72 and 433,429.25 is: 598,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,602.84 : 1,073,102.72 = 433,429.25 : x
  2. Step 2: Convert to fraction form
    777,602.84/1,073,102.72 = 433,429.25/x
  3. Step 3: Cross multiply
    777,602.84x = 1,073,102.72 × 433,429.25
  4. Step 4: Simplify right side
    777,602.84x = 465,114,099,569.90
  5. Step 5: Solve for x
    x = 465,114,099,569.90/777,602.84
  6. Step 6: Final answer
    x = 598,138.38

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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.