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Finding the Fourth Proportional to 504,678.06, 696,447 and 275,237.19

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Solution

The fourth proportional to 504,678.06, 696,447 and 275,237.19 is: 379,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,678.06 : 696,447 = 275,237.19 : x
  2. Step 2: Convert to fraction form
    504,678.06/696,447 = 275,237.19/x
  3. Step 3: Cross multiply
    504,678.06x = 696,447 × 275,237.19
  4. Step 4: Simplify right side
    504,678.06x = 191,688,115,263.93
  5. Step 5: Solve for x
    x = 191,688,115,263.93/504,678.06
  6. Step 6: Final answer
    x = 379,822.57

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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.