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Finding the Fourth Proportional to 528,246, 792,485.64 and 195,822

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Solution

The fourth proportional to 528,246, 792,485.64 and 195,822 is: 293,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,246 : 792,485.64 = 195,822 : x
  2. Step 2: Convert to fraction form
    528,246/792,485.64 = 195,822/x
  3. Step 3: Cross multiply
    528,246x = 792,485.64 × 195,822
  4. Step 4: Simplify right side
    528,246x = 155,186,122,996.08
  5. Step 5: Solve for x
    x = 155,186,122,996.08/528,246
  6. Step 6: Final answer
    x = 293,776.24

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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.