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Finding the Fourth Proportional to 662,225, 914,799.78 and 590,582.12

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Solution

The fourth proportional to 662,225, 914,799.78 and 590,582.12 is: 815,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,225 : 914,799.78 = 590,582.12 : x
  2. Step 2: Convert to fraction form
    662,225/914,799.78 = 590,582.12/x
  3. Step 3: Cross multiply
    662,225x = 914,799.78 × 590,582.12
  4. Step 4: Simplify right side
    662,225x = 540,264,393,447.93
  5. Step 5: Solve for x
    x = 540,264,393,447.93/662,225
  6. Step 6: Final answer
    x = 815,832.07

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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.