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Finding the Fourth Proportional to 236,422,545.60, 330,226,288.80 and 236,422,545.60

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Solution

The fourth proportional to 236,422,545.60, 330,226,288.80 and 236,422,545.60 is: 330,226,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,422,545.60 : 330,226,288.80 = 236,422,545.60 : x
  2. Step 2: Convert to fraction form
    236,422,545.60/330,226,288.80 = 236,422,545.60/x
  3. Step 3: Cross multiply
    236,422,545.60x = 330,226,288.80 × 236,422,545.60
  4. Step 4: Simplify right side
    236,422,545.60x = 78,072,939,822,136,768
  5. Step 5: Solve for x
    x = 78,072,939,822,136,768/236,422,545.60
  6. Step 6: Final answer
    x = 330,226,288.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.