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Finding the Fourth Proportional to 358,485.63, 537,841.46 and 168,938.34

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Solution

The fourth proportional to 358,485.63, 537,841.46 and 168,938.34 is: 253,460.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,485.63 : 537,841.46 = 168,938.34 : x
  2. Step 2: Convert to fraction form
    358,485.63/537,841.46 = 168,938.34/x
  3. Step 3: Cross multiply
    358,485.63x = 537,841.46 × 168,938.34
  4. Step 4: Simplify right side
    358,485.63x = 90,862,041,207.50
  5. Step 5: Solve for x
    x = 90,862,041,207.50/358,485.63
  6. Step 6: Final answer
    x = 253,460.77

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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.