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Finding the Fourth Proportional to 702,528.66, 969,513.03 and 430,544.00

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Solution

The fourth proportional to 702,528.66, 969,513.03 and 430,544.00 is: 594,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,528.66 : 969,513.03 = 430,544.00 : x
  2. Step 2: Convert to fraction form
    702,528.66/969,513.03 = 430,544.00/x
  3. Step 3: Cross multiply
    702,528.66x = 969,513.03 × 430,544.00
  4. Step 4: Simplify right side
    702,528.66x = 417,418,020,412.10
  5. Step 5: Solve for x
    x = 417,418,020,412.10/702,528.66
  6. Step 6: Final answer
    x = 594,165.11

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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.