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Finding the Fourth Proportional to 359,887.23, 496,088.64 and 258,027.69

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Solution

The fourth proportional to 359,887.23, 496,088.64 and 258,027.69 is: 355,679.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,887.23 : 496,088.64 = 258,027.69 : x
  2. Step 2: Convert to fraction form
    359,887.23/496,088.64 = 258,027.69/x
  3. Step 3: Cross multiply
    359,887.23x = 496,088.64 × 258,027.69
  4. Step 4: Simplify right side
    359,887.23x = 128,004,605,814.44
  5. Step 5: Solve for x
    x = 128,004,605,814.44/359,887.23
  6. Step 6: Final answer
    x = 355,679.77

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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.