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Finding the Fourth Proportional to 704,871.36, 972,707.04 and 382,582.08

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Solution

The fourth proportional to 704,871.36, 972,707.04 and 382,582.08 is: 527,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,871.36 : 972,707.04 = 382,582.08 : x
  2. Step 2: Convert to fraction form
    704,871.36/972,707.04 = 382,582.08/x
  3. Step 3: Cross multiply
    704,871.36x = 972,707.04 × 382,582.08
  4. Step 4: Simplify right side
    704,871.36x = 372,140,282,593.84
  5. Step 5: Solve for x
    x = 372,140,282,593.84/704,871.36
  6. Step 6: Final answer
    x = 527,954.89

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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.