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Finding the Fourth Proportional to 504,809.04, 696,649.60 and 275,370.20

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Solution

The fourth proportional to 504,809.04, 696,649.60 and 275,370.20 is: 380,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,809.04 : 696,649.60 = 275,370.20 : x
  2. Step 2: Convert to fraction form
    504,809.04/696,649.60 = 275,370.20/x
  3. Step 3: Cross multiply
    504,809.04x = 696,649.60 × 275,370.20
  4. Step 4: Simplify right side
    504,809.04x = 191,836,539,681.92
  5. Step 5: Solve for x
    x = 191,836,539,681.92/504,809.04
  6. Step 6: Final answer
    x = 380,018.04

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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.