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Finding the Fourth Proportional to 677,259.36, 935,250.64 and 435,961.31

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Solution

The fourth proportional to 677,259.36, 935,250.64 and 435,961.31 is: 602,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,259.36 : 935,250.64 = 435,961.31 : x
  2. Step 2: Convert to fraction form
    677,259.36/935,250.64 = 435,961.31/x
  3. Step 3: Cross multiply
    677,259.36x = 935,250.64 × 435,961.31
  4. Step 4: Simplify right side
    677,259.36x = 407,733,088,426.58
  5. Step 5: Solve for x
    x = 407,733,088,426.58/677,259.36
  6. Step 6: Final answer
    x = 602,033.89

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1.5x scale

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.