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Finding the Fourth Proportional to 373,315.60, 559,973.40 and 328,992.40

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Solution

The fourth proportional to 373,315.60, 559,973.40 and 328,992.40 is: 493,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,315.60 : 559,973.40 = 328,992.40 : x
  2. Step 2: Convert to fraction form
    373,315.60/559,973.40 = 328,992.40/x
  3. Step 3: Cross multiply
    373,315.60x = 559,973.40 × 328,992.40
  4. Step 4: Simplify right side
    373,315.60x = 184,226,992,802.16
  5. Step 5: Solve for x
    x = 184,226,992,802.16/373,315.60
  6. Step 6: Final answer
    x = 493,488.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.