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Finding the Fourth Proportional to 594,681.48, 820,666.35 and 322,751.79

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Solution

The fourth proportional to 594,681.48, 820,666.35 and 322,751.79 is: 445,400.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,681.48 : 820,666.35 = 322,751.79 : x
  2. Step 2: Convert to fraction form
    594,681.48/820,666.35 = 322,751.79/x
  3. Step 3: Cross multiply
    594,681.48x = 820,666.35 × 322,751.79
  4. Step 4: Simplify right side
    594,681.48x = 264,871,533,455.27
  5. Step 5: Solve for x
    x = 264,871,533,455.27/594,681.48
  6. Step 6: Final answer
    x = 445,400.68

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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.