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Finding the Fourth Proportional to 976,592.12, 1,463,417.04 and 870,166.64

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Solution

The fourth proportional to 976,592.12, 1,463,417.04 and 870,166.64 is: 1,303,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,592.12 : 1,463,417.04 = 870,166.64 : x
  2. Step 2: Convert to fraction form
    976,592.12/1,463,417.04 = 870,166.64/x
  3. Step 3: Cross multiply
    976,592.12x = 1,463,417.04 × 870,166.64
  4. Step 4: Simplify right side
    976,592.12x = 1,273,416,688,615.55
  5. Step 5: Solve for x
    x = 1,273,416,688,615.55/976,592.12
  6. Step 6: Final answer
    x = 1,303,939.14

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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.