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Finding the Fourth Proportional to 872,507.71, 1,308,790.73 and 241,368.67

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Solution

The fourth proportional to 872,507.71, 1,308,790.73 and 241,368.67 is: 362,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,507.71 : 1,308,790.73 = 241,368.67 : x
  2. Step 2: Convert to fraction form
    872,507.71/1,308,790.73 = 241,368.67/x
  3. Step 3: Cross multiply
    872,507.71x = 1,308,790.73 × 241,368.67
  4. Step 4: Simplify right side
    872,507.71x = 315,901,077,808.43
  5. Step 5: Solve for x
    x = 315,901,077,808.43/872,507.71
  6. Step 6: Final answer
    x = 362,061.07

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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.