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Finding the Fourth Proportional to 342,505.96, 472,657.54 and 191,602.96

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Solution

The fourth proportional to 342,505.96, 472,657.54 and 191,602.96 is: 264,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,505.96 : 472,657.54 = 191,602.96 : x
  2. Step 2: Convert to fraction form
    342,505.96/472,657.54 = 191,602.96/x
  3. Step 3: Cross multiply
    342,505.96x = 472,657.54 × 191,602.96
  4. Step 4: Simplify right side
    342,505.96x = 90,562,583,730.32
  5. Step 5: Solve for x
    x = 90,562,583,730.32/342,505.96
  6. Step 6: Final answer
    x = 264,411.70

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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.