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Finding the Fourth Proportional to 265,503.60, 366,445.08 and 152,400.24

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Solution

The fourth proportional to 265,503.60, 366,445.08 and 152,400.24 is: 210,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,503.60 : 366,445.08 = 152,400.24 : x
  2. Step 2: Convert to fraction form
    265,503.60/366,445.08 = 152,400.24/x
  3. Step 3: Cross multiply
    265,503.60x = 366,445.08 × 152,400.24
  4. Step 4: Simplify right side
    265,503.60x = 55,846,318,138.82
  5. Step 5: Solve for x
    x = 55,846,318,138.82/265,503.60
  6. Step 6: Final answer
    x = 210,341.10

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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.