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Finding the Fourth Proportional to 637,191.83, 879,317.96 and 350,705.76

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Solution

The fourth proportional to 637,191.83, 879,317.96 and 350,705.76 is: 483,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,191.83 : 879,317.96 = 350,705.76 : x
  2. Step 2: Convert to fraction form
    637,191.83/879,317.96 = 350,705.76/x
  3. Step 3: Cross multiply
    637,191.83x = 879,317.96 × 350,705.76
  4. Step 4: Simplify right side
    637,191.83x = 308,381,871,689.92
  5. Step 5: Solve for x
    x = 308,381,871,689.92/637,191.83
  6. Step 6: Final answer
    x = 483,970.23

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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.