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Finding the Fourth Proportional to 972,496.80, 1,460,057.40 and 773,042.40

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Solution

The fourth proportional to 972,496.80, 1,460,057.40 and 773,042.40 is: 1,160,606.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,496.80 : 1,460,057.40 = 773,042.40 : x
  2. Step 2: Convert to fraction form
    972,496.80/1,460,057.40 = 773,042.40/x
  3. Step 3: Cross multiply
    972,496.80x = 1,460,057.40 × 773,042.40
  4. Step 4: Simplify right side
    972,496.80x = 1,128,686,276,633.76
  5. Step 5: Solve for x
    x = 1,128,686,276,633.76/972,496.80
  6. Step 6: Final answer
    x = 1,160,606.67

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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.