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Finding the Fourth Proportional to 505,701.98, 758,663.76 and 190,158.89

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Solution

The fourth proportional to 505,701.98, 758,663.76 and 190,158.89 is: 285,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,701.98 : 758,663.76 = 190,158.89 : x
  2. Step 2: Convert to fraction form
    505,701.98/758,663.76 = 190,158.89/x
  3. Step 3: Cross multiply
    505,701.98x = 758,663.76 × 190,158.89
  4. Step 4: Simplify right side
    505,701.98x = 144,266,658,484.83
  5. Step 5: Solve for x
    x = 144,266,658,484.83/505,701.98
  6. Step 6: Final answer
    x = 285,280.00

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1.5x scale

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.