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Finding the Fourth Proportional to 528,673.36, 792,908.88 and 149,590.48

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Solution

The fourth proportional to 528,673.36, 792,908.88 and 149,590.48 is: 224,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,673.36 : 792,908.88 = 149,590.48 : x
  2. Step 2: Convert to fraction form
    528,673.36/792,908.88 = 149,590.48/x
  3. Step 3: Cross multiply
    528,673.36x = 792,908.88 × 149,590.48
  4. Step 4: Simplify right side
    528,673.36x = 118,611,619,955.46
  5. Step 5: Solve for x
    x = 118,611,619,955.46/528,673.36
  6. Step 6: Final answer
    x = 224,357.10

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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.