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Finding the Fourth Proportional to 459,357.97, 633,949.51 and 275,603.46

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Solution

The fourth proportional to 459,357.97, 633,949.51 and 275,603.46 is: 380,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,357.97 : 633,949.51 = 275,603.46 : x
  2. Step 2: Convert to fraction form
    459,357.97/633,949.51 = 275,603.46/x
  3. Step 3: Cross multiply
    459,357.97x = 633,949.51 × 275,603.46
  4. Step 4: Simplify right side
    459,357.97x = 174,718,678,421.31
  5. Step 5: Solve for x
    x = 174,718,678,421.31/459,357.97
  6. Step 6: Final answer
    x = 380,354.08

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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.