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Finding the Fourth Proportional to 500,362.92, 750,590.52 and 163,405.34

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Solution

The fourth proportional to 500,362.92, 750,590.52 and 163,405.34 is: 245,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,362.92 : 750,590.52 = 163,405.34 : x
  2. Step 2: Convert to fraction form
    500,362.92/750,590.52 = 163,405.34/x
  3. Step 3: Cross multiply
    500,362.92x = 750,590.52 × 163,405.34
  4. Step 4: Simplify right side
    500,362.92x = 122,650,495,368.42
  5. Step 5: Solve for x
    x = 122,650,495,368.42/500,362.92
  6. Step 6: Final answer
    x = 245,123.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.