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Finding the Fourth Proportional to 677,063.40, 933,922.62 and 435,659.64

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Solution

The fourth proportional to 677,063.40, 933,922.62 and 435,659.64 is: 600,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,063.40 : 933,922.62 = 435,659.64 : x
  2. Step 2: Convert to fraction form
    677,063.40/933,922.62 = 435,659.64/x
  3. Step 3: Cross multiply
    677,063.40x = 933,922.62 × 435,659.64
  4. Step 4: Simplify right side
    677,063.40x = 406,872,392,417.06
  5. Step 5: Solve for x
    x = 406,872,392,417.06/677,063.40
  6. Step 6: Final answer
    x = 600,936.92

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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.