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Finding the Fourth Proportional to 696,071.36, 960,558.72 and 409,525.76

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Solution

The fourth proportional to 696,071.36, 960,558.72 and 409,525.76 is: 565,133.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,071.36 : 960,558.72 = 409,525.76 : x
  2. Step 2: Convert to fraction form
    696,071.36/960,558.72 = 409,525.76/x
  3. Step 3: Cross multiply
    696,071.36x = 960,558.72 × 409,525.76
  4. Step 4: Simplify right side
    696,071.36x = 393,373,539,832.63
  5. Step 5: Solve for x
    x = 393,373,539,832.63/696,071.36
  6. Step 6: Final answer
    x = 565,133.93

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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.