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Finding the Fourth Proportional to 614,013.10, 920,001.43 and 373,399.16

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Solution

The fourth proportional to 614,013.10, 920,001.43 and 373,399.16 is: 559,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,013.10 : 920,001.43 = 373,399.16 : x
  2. Step 2: Convert to fraction form
    614,013.10/920,001.43 = 373,399.16/x
  3. Step 3: Cross multiply
    614,013.10x = 920,001.43 × 373,399.16
  4. Step 4: Simplify right side
    614,013.10x = 343,527,759,544.05
  5. Step 5: Solve for x
    x = 343,527,759,544.05/614,013.10
  6. Step 6: Final answer
    x = 559,479.53

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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.