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Finding the Fourth Proportional to 340,322.80, 509,707.32 and 162,955.12

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Solution

The fourth proportional to 340,322.80, 509,707.32 and 162,955.12 is: 244,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,322.80 : 509,707.32 = 162,955.12 : x
  2. Step 2: Convert to fraction form
    340,322.80/509,707.32 = 162,955.12/x
  3. Step 3: Cross multiply
    340,322.80x = 509,707.32 × 162,955.12
  4. Step 4: Simplify right side
    340,322.80x = 83,059,417,495.48
  5. Step 5: Solve for x
    x = 83,059,417,495.48/340,322.80
  6. Step 6: Final answer
    x = 244,060.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.