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Finding the Fourth Proportional to 569,249.76, 785,056.13 and 472,300.11

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Solution

The fourth proportional to 569,249.76, 785,056.13 and 472,300.11 is: 651,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,249.76 : 785,056.13 = 472,300.11 : x
  2. Step 2: Convert to fraction form
    569,249.76/785,056.13 = 472,300.11/x
  3. Step 3: Cross multiply
    569,249.76x = 785,056.13 × 472,300.11
  4. Step 4: Simplify right side
    569,249.76x = 370,782,094,193.67
  5. Step 5: Solve for x
    x = 370,782,094,193.67/569,249.76
  6. Step 6: Final answer
    x = 651,352.22

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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.