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Finding the Fourth Proportional to 583,308.48, 805,049.10 and 328,683.36

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Solution

The fourth proportional to 583,308.48, 805,049.10 and 328,683.36 is: 453,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,308.48 : 805,049.10 = 328,683.36 : x
  2. Step 2: Convert to fraction form
    583,308.48/805,049.10 = 328,683.36/x
  3. Step 3: Cross multiply
    583,308.48x = 805,049.10 × 328,683.36
  4. Step 4: Simplify right side
    583,308.48x = 264,606,243,152.98
  5. Step 5: Solve for x
    x = 264,606,243,152.98/583,308.48
  6. Step 6: Final answer
    x = 453,630.03

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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.