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Finding the Fourth Proportional to 972,509.80, 1,460,076.90 and 773,055.40

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Solution

The fourth proportional to 972,509.80, 1,460,076.90 and 773,055.40 is: 1,160,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,509.80 : 1,460,076.90 = 773,055.40 : x
  2. Step 2: Convert to fraction form
    972,509.80/1,460,076.90 = 773,055.40/x
  3. Step 3: Cross multiply
    972,509.80x = 1,460,076.90 × 773,055.40
  4. Step 4: Simplify right side
    972,509.80x = 1,128,720,331,960.26
  5. Step 5: Solve for x
    x = 1,128,720,331,960.26/972,509.80
  6. Step 6: Final answer
    x = 1,160,626.18

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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.