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Finding the Fourth Proportional to 537,005.80, 804,587.10 and 255,917.80

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Solution

The fourth proportional to 537,005.80, 804,587.10 and 255,917.80 is: 383,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,005.80 : 804,587.10 = 255,917.80 : x
  2. Step 2: Convert to fraction form
    537,005.80/804,587.10 = 255,917.80/x
  3. Step 3: Cross multiply
    537,005.80x = 804,587.10 × 255,917.80
  4. Step 4: Simplify right side
    537,005.80x = 205,908,160,540.38
  5. Step 5: Solve for x
    x = 205,908,160,540.38/537,005.80
  6. Step 6: Final answer
    x = 383,437.50

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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.