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Finding the Fourth Proportional to 373,051.80, 559,577.70 and 254,953.80

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Solution

The fourth proportional to 373,051.80, 559,577.70 and 254,953.80 is: 382,430.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,051.80 : 559,577.70 = 254,953.80 : x
  2. Step 2: Convert to fraction form
    373,051.80/559,577.70 = 254,953.80/x
  3. Step 3: Cross multiply
    373,051.80x = 559,577.70 × 254,953.80
  4. Step 4: Simplify right side
    373,051.80x = 142,666,461,010.26
  5. Step 5: Solve for x
    x = 142,666,461,010.26/373,051.80
  6. Step 6: Final answer
    x = 382,430.70

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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.