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Finding the Fourth Proportional to 569,859.30, 786,158.73 and 343,376.10

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Solution

The fourth proportional to 569,859.30, 786,158.73 and 343,376.10 is: 473,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,859.30 : 786,158.73 = 343,376.10 : x
  2. Step 2: Convert to fraction form
    569,859.30/786,158.73 = 343,376.10/x
  3. Step 3: Cross multiply
    569,859.30x = 786,158.73 × 343,376.10
  4. Step 4: Simplify right side
    569,859.30x = 269,948,118,688.35
  5. Step 5: Solve for x
    x = 269,948,118,688.35/569,859.30
  6. Step 6: Final answer
    x = 473,710.12

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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.