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Finding the Fourth Proportional to 292,346.16, 438,518.52 and 114,728.92

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Solution

The fourth proportional to 292,346.16, 438,518.52 and 114,728.92 is: 172,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,346.16 : 438,518.52 = 114,728.92 : x
  2. Step 2: Convert to fraction form
    292,346.16/438,518.52 = 114,728.92/x
  3. Step 3: Cross multiply
    292,346.16x = 438,518.52 × 114,728.92
  4. Step 4: Simplify right side
    292,346.16x = 50,310,756,199.60
  5. Step 5: Solve for x
    x = 50,310,756,199.60/292,346.16
  6. Step 6: Final answer
    x = 172,093.10

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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.