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Finding the Fourth Proportional to 269,545.60, 403,783.80 and 236,303.20

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Solution

The fourth proportional to 269,545.60, 403,783.80 and 236,303.20 is: 353,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,545.60 : 403,783.80 = 236,303.20 : x
  2. Step 2: Convert to fraction form
    269,545.60/403,783.80 = 236,303.20/x
  3. Step 3: Cross multiply
    269,545.60x = 403,783.80 × 236,303.20
  4. Step 4: Simplify right side
    269,545.60x = 95,415,404,048.16
  5. Step 5: Solve for x
    x = 95,415,404,048.16/269,545.60
  6. Step 6: Final answer
    x = 353,986.13

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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.