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Finding the Fourth Proportional to 292,352.72, 403,445.96 and 158,216.72

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Solution

The fourth proportional to 292,352.72, 403,445.96 and 158,216.72 is: 218,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,352.72 : 403,445.96 = 158,216.72 : x
  2. Step 2: Convert to fraction form
    292,352.72/403,445.96 = 158,216.72/x
  3. Step 3: Cross multiply
    292,352.72x = 403,445.96 × 158,216.72
  4. Step 4: Simplify right side
    292,352.72x = 63,831,896,488.45
  5. Step 5: Solve for x
    x = 63,831,896,488.45/292,352.72
  6. Step 6: Final answer
    x = 218,338.64

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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.