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Finding the Fourth Proportional to 292,368.51, 403,464.20 and 163,308.78

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Solution

The fourth proportional to 292,368.51, 403,464.20 and 163,308.78 is: 225,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,368.51 : 403,464.20 = 163,308.78 : x
  2. Step 2: Convert to fraction form
    292,368.51/403,464.20 = 163,308.78/x
  3. Step 3: Cross multiply
    292,368.51x = 403,464.20 × 163,308.78
  4. Step 4: Simplify right side
    292,368.51x = 65,889,246,071.54
  5. Step 5: Solve for x
    x = 65,889,246,071.54/292,368.51
  6. Step 6: Final answer
    x = 225,363.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.