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Finding the Fourth Proportional to 292,464.73, 438,697.10 and 105,476.23

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Solution

The fourth proportional to 292,464.73, 438,697.10 and 105,476.23 is: 158,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,464.73 : 438,697.10 = 105,476.23 : x
  2. Step 2: Convert to fraction form
    292,464.73/438,697.10 = 105,476.23/x
  3. Step 3: Cross multiply
    292,464.73x = 438,697.10 × 105,476.23
  4. Step 4: Simplify right side
    292,464.73x = 46,272,116,219.93
  5. Step 5: Solve for x
    x = 46,272,116,219.93/292,464.73
  6. Step 6: Final answer
    x = 158,214.35

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Similar ratio
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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.