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Finding the Fourth Proportional to 569,361.22, 785,209.53 and 472,411.51

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Solution

The fourth proportional to 569,361.22, 785,209.53 and 472,411.51 is: 651,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,361.22 : 785,209.53 = 472,411.51 : x
  2. Step 2: Convert to fraction form
    569,361.22/785,209.53 = 472,411.51/x
  3. Step 3: Cross multiply
    569,361.22x = 785,209.53 × 472,411.51
  4. Step 4: Simplify right side
    569,361.22x = 370,942,019,334.66
  5. Step 5: Solve for x
    x = 370,942,019,334.66/569,361.22
  6. Step 6: Final answer
    x = 651,505.59

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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.