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Finding the Fourth Proportional to 505,703.98, 758,666.76 and 190,160.89

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Solution

The fourth proportional to 505,703.98, 758,666.76 and 190,160.89 is: 285,283.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,703.98 : 758,666.76 = 190,160.89 : x
  2. Step 2: Convert to fraction form
    505,703.98/758,666.76 = 190,160.89/x
  3. Step 3: Cross multiply
    505,703.98x = 758,666.76 × 190,160.89
  4. Step 4: Simplify right side
    505,703.98x = 144,268,746,295.02
  5. Step 5: Solve for x
    x = 144,268,746,295.02/505,703.98
  6. Step 6: Final answer
    x = 285,283.00

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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.