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Finding the Fourth Proportional to 369,065.56, 509,436.24 and 229,473.40

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Solution

The fourth proportional to 369,065.56, 509,436.24 and 229,473.40 is: 316,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,065.56 : 509,436.24 = 229,473.40 : x
  2. Step 2: Convert to fraction form
    369,065.56/509,436.24 = 229,473.40/x
  3. Step 3: Cross multiply
    369,065.56x = 509,436.24 × 229,473.40
  4. Step 4: Simplify right side
    369,065.56x = 116,902,066,076.02
  5. Step 5: Solve for x
    x = 116,902,066,076.02/369,065.56
  6. Step 6: Final answer
    x = 316,751.49

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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.