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Finding the Fourth Proportional to 559,925.30, 772,416.06 and 355,643.04

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Solution

The fourth proportional to 559,925.30, 772,416.06 and 355,643.04 is: 490,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,925.30 : 772,416.06 = 355,643.04 : x
  2. Step 2: Convert to fraction form
    559,925.30/772,416.06 = 355,643.04/x
  3. Step 3: Cross multiply
    559,925.30x = 772,416.06 × 355,643.04
  4. Step 4: Simplify right side
    559,925.30x = 274,704,395,723.22
  5. Step 5: Solve for x
    x = 274,704,395,723.22/559,925.30
  6. Step 6: Final answer
    x = 490,609.01

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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.