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Finding the Fourth Proportional to 572,360.20, 789,697.04 and 357,718.32

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Solution

The fourth proportional to 572,360.20, 789,697.04 and 357,718.32 is: 493,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,360.20 : 789,697.04 = 357,718.32 : x
  2. Step 2: Convert to fraction form
    572,360.20/789,697.04 = 357,718.32/x
  3. Step 3: Cross multiply
    572,360.20x = 789,697.04 × 357,718.32
  4. Step 4: Simplify right side
    572,360.20x = 282,489,098,457.77
  5. Step 5: Solve for x
    x = 282,489,098,457.77/572,360.20
  6. Step 6: Final answer
    x = 493,551.26

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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.