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Finding the Fourth Proportional to 582,666.72, 803,892.36 and 353,316

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Solution

The fourth proportional to 582,666.72, 803,892.36 and 353,316 is: 487,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,666.72 : 803,892.36 = 353,316 : x
  2. Step 2: Convert to fraction form
    582,666.72/803,892.36 = 353,316/x
  3. Step 3: Cross multiply
    582,666.72x = 803,892.36 × 353,316
  4. Step 4: Simplify right side
    582,666.72x = 284,028,033,065.76
  5. Step 5: Solve for x
    x = 284,028,033,065.76/582,666.72
  6. Step 6: Final answer
    x = 487,462.25

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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.