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Finding the Fourth Proportional to 528,031.90, 792,047.85 and 154,054.90

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Solution

The fourth proportional to 528,031.90, 792,047.85 and 154,054.90 is: 231,082.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,031.90 : 792,047.85 = 154,054.90 : x
  2. Step 2: Convert to fraction form
    528,031.90/792,047.85 = 154,054.90/x
  3. Step 3: Cross multiply
    528,031.90x = 792,047.85 × 154,054.90
  4. Step 4: Simplify right side
    528,031.90x = 122,018,852,326.97
  5. Step 5: Solve for x
    x = 122,018,852,326.97/528,031.90
  6. Step 6: Final answer
    x = 231,082.35

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Similar ratio
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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.