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Finding the Fourth Proportional to 373,492.48, 559,415.70 and 308,715.16

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Solution

The fourth proportional to 373,492.48, 559,415.70 and 308,715.16 is: 462,392.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,492.48 : 559,415.70 = 308,715.16 : x
  2. Step 2: Convert to fraction form
    373,492.48/559,415.70 = 308,715.16/x
  3. Step 3: Cross multiply
    373,492.48x = 559,415.70 × 308,715.16
  4. Step 4: Simplify right side
    373,492.48x = 172,700,107,332.01
  5. Step 5: Solve for x
    x = 172,700,107,332.01/373,492.48
  6. Step 6: Final answer
    x = 462,392.46

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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.