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Finding the Fourth Proportional to 572,203.32, 789,603.84 and 357,330.57

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Solution

The fourth proportional to 572,203.32, 789,603.84 and 357,330.57 is: 493,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,203.32 : 789,603.84 = 357,330.57 : x
  2. Step 2: Convert to fraction form
    572,203.32/789,603.84 = 357,330.57/x
  3. Step 3: Cross multiply
    572,203.32x = 789,603.84 × 357,330.57
  4. Step 4: Simplify right side
    572,203.32x = 282,149,590,221.39
  5. Step 5: Solve for x
    x = 282,149,590,221.39/572,203.32
  6. Step 6: Final answer
    x = 493,093.24

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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.