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Finding the Fourth Proportional to 633,032.96, 873,595.94 and 357,405.35

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Solution

The fourth proportional to 633,032.96, 873,595.94 and 357,405.35 is: 493,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,032.96 : 873,595.94 = 357,405.35 : x
  2. Step 2: Convert to fraction form
    633,032.96/873,595.94 = 357,405.35/x
  3. Step 3: Cross multiply
    633,032.96x = 873,595.94 × 357,405.35
  4. Step 4: Simplify right side
    633,032.96x = 312,227,856,539.27
  5. Step 5: Solve for x
    x = 312,227,856,539.27/633,032.96
  6. Step 6: Final answer
    x = 493,225.28

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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.