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Finding the Fourth Proportional to 291,657.49, 402,529.04 and 164,344.93

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Solution

The fourth proportional to 291,657.49, 402,529.04 and 164,344.93 is: 226,819.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,657.49 : 402,529.04 = 164,344.93 : x
  2. Step 2: Convert to fraction form
    291,657.49/402,529.04 = 164,344.93/x
  3. Step 3: Cross multiply
    291,657.49x = 402,529.04 × 164,344.93
  4. Step 4: Simplify right side
    291,657.49x = 66,153,606,901.77
  5. Step 5: Solve for x
    x = 66,153,606,901.77/291,657.49
  6. Step 6: Final answer
    x = 226,819.50

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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.