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Finding the Fourth Proportional to 976,656.60, 1,465,203.60 and 377,564.40

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Solution

The fourth proportional to 976,656.60, 1,465,203.60 and 377,564.40 is: 566,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,656.60 : 1,465,203.60 = 377,564.40 : x
  2. Step 2: Convert to fraction form
    976,656.60/1,465,203.60 = 377,564.40/x
  3. Step 3: Cross multiply
    976,656.60x = 1,465,203.60 × 377,564.40
  4. Step 4: Simplify right side
    976,656.60x = 553,208,718,111.84
  5. Step 5: Solve for x
    x = 553,208,718,111.84/976,656.60
  6. Step 6: Final answer
    x = 566,431.15

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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.