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Finding the Fourth Proportional to 656,792.64, 906,375.06 and 370,312.02

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Solution

The fourth proportional to 656,792.64, 906,375.06 and 370,312.02 is: 511,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,792.64 : 906,375.06 = 370,312.02 : x
  2. Step 2: Convert to fraction form
    656,792.64/906,375.06 = 370,312.02/x
  3. Step 3: Cross multiply
    656,792.64x = 906,375.06 × 370,312.02
  4. Step 4: Simplify right side
    656,792.64x = 335,641,579,346.22
  5. Step 5: Solve for x
    x = 335,641,579,346.22/656,792.64
  6. Step 6: Final answer
    x = 511,031.27

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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.