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Finding the Fourth Proportional to 292,208.34, 438,369.01 and 112,280.21

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Solution

The fourth proportional to 292,208.34, 438,369.01 and 112,280.21 is: 168,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,208.34 : 438,369.01 = 112,280.21 : x
  2. Step 2: Convert to fraction form
    292,208.34/438,369.01 = 112,280.21/x
  3. Step 3: Cross multiply
    292,208.34x = 438,369.01 × 112,280.21
  4. Step 4: Simplify right side
    292,208.34x = 49,220,161,747.05
  5. Step 5: Solve for x
    x = 49,220,161,747.05/292,208.34
  6. Step 6: Final answer
    x = 168,442.02

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1.5x scale

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.