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Finding the Fourth Proportional to 602,804.65, 831,856.92 and 330,870.64

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Solution

The fourth proportional to 602,804.65, 831,856.92 and 330,870.64 is: 456,594.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,804.65 : 831,856.92 = 330,870.64 : x
  2. Step 2: Convert to fraction form
    602,804.65/831,856.92 = 330,870.64/x
  3. Step 3: Cross multiply
    602,804.65x = 831,856.92 × 330,870.64
  4. Step 4: Simplify right side
    602,804.65x = 275,237,031,508.83
  5. Step 5: Solve for x
    x = 275,237,031,508.83/602,804.65
  6. Step 6: Final answer
    x = 456,594.07

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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.