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Finding the Fourth Proportional to 344,315.08, 475,125.78 and 210,153.16

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Solution

The fourth proportional to 344,315.08, 475,125.78 and 210,153.16 is: 289,993.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,315.08 : 475,125.78 = 210,153.16 : x
  2. Step 2: Convert to fraction form
    344,315.08/475,125.78 = 210,153.16/x
  3. Step 3: Cross multiply
    344,315.08x = 475,125.78 × 210,153.16
  4. Step 4: Simplify right side
    344,315.08x = 99,849,184,064.46
  5. Step 5: Solve for x
    x = 99,849,184,064.46/344,315.08
  6. Step 6: Final answer
    x = 289,993.64

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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.