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Finding the Fourth Proportional to 610,014.42, 915,144.04 and 210,669.84

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Solution

The fourth proportional to 610,014.42, 915,144.04 and 210,669.84 is: 316,047.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,014.42 : 915,144.04 = 210,669.84 : x
  2. Step 2: Convert to fraction form
    610,014.42/915,144.04 = 210,669.84/x
  3. Step 3: Cross multiply
    610,014.42x = 915,144.04 × 210,669.84
  4. Step 4: Simplify right side
    610,014.42x = 192,793,248,483.75
  5. Step 5: Solve for x
    x = 192,793,248,483.75/610,014.42
  6. Step 6: Final answer
    x = 316,047.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.