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Finding the Fourth Proportional to 510,826.08, 704,203.53 and 357,388.90

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Solution

The fourth proportional to 510,826.08, 704,203.53 and 357,388.90 is: 492,681.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,826.08 : 704,203.53 = 357,388.90 : x
  2. Step 2: Convert to fraction form
    510,826.08/704,203.53 = 357,388.90/x
  3. Step 3: Cross multiply
    510,826.08x = 704,203.53 × 357,388.90
  4. Step 4: Simplify right side
    510,826.08x = 251,674,524,962.82
  5. Step 5: Solve for x
    x = 251,674,524,962.82/510,826.08
  6. Step 6: Final answer
    x = 492,681.43

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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.