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Finding the Fourth Proportional to 373,503.61, 559,271.26 and 223,387.93

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Solution

The fourth proportional to 373,503.61, 559,271.26 and 223,387.93 is: 334,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,503.61 : 559,271.26 = 223,387.93 : x
  2. Step 2: Convert to fraction form
    373,503.61/559,271.26 = 223,387.93/x
  3. Step 3: Cross multiply
    373,503.61x = 559,271.26 × 223,387.93
  4. Step 4: Simplify right side
    373,503.61x = 124,934,449,079.89
  5. Step 5: Solve for x
    x = 124,934,449,079.89/373,503.61
  6. Step 6: Final answer
    x = 334,493.28

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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.