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Finding the Fourth Proportional to 504,531.60, 696,259.06 and 275,087

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Solution

The fourth proportional to 504,531.60, 696,259.06 and 275,087 is: 379,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,531.60 : 696,259.06 = 275,087 : x
  2. Step 2: Convert to fraction form
    504,531.60/696,259.06 = 275,087/x
  3. Step 3: Cross multiply
    504,531.60x = 696,259.06 × 275,087
  4. Step 4: Simplify right side
    504,531.60x = 191,531,816,038.22
  5. Step 5: Solve for x
    x = 191,531,816,038.22/504,531.60
  6. Step 6: Final answer
    x = 379,623.03

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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.