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Finding the Fourth Proportional to 704,527.84, 972,355.20 and 450,048.64

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Solution

The fourth proportional to 704,527.84, 972,355.20 and 450,048.64 is: 621,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,527.84 : 972,355.20 = 450,048.64 : x
  2. Step 2: Convert to fraction form
    704,527.84/972,355.20 = 450,048.64/x
  3. Step 3: Cross multiply
    704,527.84x = 972,355.20 × 450,048.64
  4. Step 4: Simplify right side
    704,527.84x = 437,607,135,356.93
  5. Step 5: Solve for x
    x = 437,607,135,356.93/704,527.84
  6. Step 6: Final answer
    x = 621,135.33

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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.