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Finding the Fourth Proportional to 615,007.90, 922,900.65 and 362,287.90

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Solution

The fourth proportional to 615,007.90, 922,900.65 and 362,287.90 is: 543,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,007.90 : 922,900.65 = 362,287.90 : x
  2. Step 2: Convert to fraction form
    615,007.90/922,900.65 = 362,287.90/x
  3. Step 3: Cross multiply
    615,007.90x = 922,900.65 × 362,287.90
  4. Step 4: Simplify right side
    615,007.90x = 334,355,738,397.14
  5. Step 5: Solve for x
    x = 334,355,738,397.14/615,007.90
  6. Step 6: Final answer
    x = 543,660.88

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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.