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Finding the Fourth Proportional to 205,425.70, 307,555.35 and 205,425.70

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Solution

The fourth proportional to 205,425.70, 307,555.35 and 205,425.70 is: 307,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,425.70 : 307,555.35 = 205,425.70 : x
  2. Step 2: Convert to fraction form
    205,425.70/307,555.35 = 205,425.70/x
  3. Step 3: Cross multiply
    205,425.70x = 307,555.35 × 205,425.70
  4. Step 4: Simplify right side
    205,425.70x = 63,179,773,062.50
  5. Step 5: Solve for x
    x = 63,179,773,062.50/205,425.70
  6. Step 6: Final answer
    x = 307,555.35

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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.