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Finding the Fourth Proportional to 633,047.64, 873,605.96 and 346,585.87

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Solution

The fourth proportional to 633,047.64, 873,605.96 and 346,585.87 is: 478,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,047.64 : 873,605.96 = 346,585.87 : x
  2. Step 2: Convert to fraction form
    633,047.64/873,605.96 = 346,585.87/x
  3. Step 3: Cross multiply
    633,047.64x = 873,605.96 × 346,585.87
  4. Step 4: Simplify right side
    633,047.64x = 302,779,481,683.79
  5. Step 5: Solve for x
    x = 302,779,481,683.79/633,047.64
  6. Step 6: Final answer
    x = 478,288.62

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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.