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Finding the Fourth Proportional to 366,807.79, 506,215.62 and 205,655.05

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Solution

The fourth proportional to 366,807.79, 506,215.62 and 205,655.05 is: 283,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,807.79 : 506,215.62 = 205,655.05 : x
  2. Step 2: Convert to fraction form
    366,807.79/506,215.62 = 205,655.05/x
  3. Step 3: Cross multiply
    366,807.79x = 506,215.62 × 205,655.05
  4. Step 4: Simplify right side
    366,807.79x = 104,105,798,641.88
  5. Step 5: Solve for x
    x = 104,105,798,641.88/366,807.79
  6. Step 6: Final answer
    x = 283,815.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.