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Finding the Fourth Proportional to 569,283.84, 785,103.20 and 472,334.21

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Solution

The fourth proportional to 569,283.84, 785,103.20 and 472,334.21 is: 651,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,283.84 : 785,103.20 = 472,334.21 : x
  2. Step 2: Convert to fraction form
    569,283.84/785,103.20 = 472,334.21/x
  3. Step 3: Cross multiply
    569,283.84x = 785,103.20 × 472,334.21
  4. Step 4: Simplify right side
    569,283.84x = 370,831,095,814.96
  5. Step 5: Solve for x
    x = 370,831,095,814.96/569,283.84
  6. Step 6: Final answer
    x = 651,399.30

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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.