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Finding the Fourth Proportional to 333,070.79, 459,607.97 and 187,887.20

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Solution

The fourth proportional to 333,070.79, 459,607.97 and 187,887.20 is: 259,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,070.79 : 459,607.97 = 187,887.20 : x
  2. Step 2: Convert to fraction form
    333,070.79/459,607.97 = 187,887.20/x
  3. Step 3: Cross multiply
    333,070.79x = 459,607.97 × 187,887.20
  4. Step 4: Simplify right side
    333,070.79x = 86,354,452,752.66
  5. Step 5: Solve for x
    x = 86,354,452,752.66/333,070.79
  6. Step 6: Final answer
    x = 259,267.57

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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.