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Finding the Fourth Proportional to 528,772.28, 793,158.40 and 154,795.28

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Solution

The fourth proportional to 528,772.28, 793,158.40 and 154,795.28 is: 232,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,772.28 : 793,158.40 = 154,795.28 : x
  2. Step 2: Convert to fraction form
    528,772.28/793,158.40 = 154,795.28/x
  3. Step 3: Cross multiply
    528,772.28x = 793,158.40 × 154,795.28
  4. Step 4: Simplify right side
    528,772.28x = 122,777,176,612.35
  5. Step 5: Solve for x
    x = 122,777,176,612.35/528,772.28
  6. Step 6: Final answer
    x = 232,192.91

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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.