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Finding the Fourth Proportional to 590,505.40, 828,282.20 and 590,505.40

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Solution

The fourth proportional to 590,505.40, 828,282.20 and 590,505.40 is: 828,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,505.40 : 828,282.20 = 590,505.40 : x
  2. Step 2: Convert to fraction form
    590,505.40/828,282.20 = 590,505.40/x
  3. Step 3: Cross multiply
    590,505.40x = 828,282.20 × 590,505.40
  4. Step 4: Simplify right side
    590,505.40x = 489,105,111,823.88
  5. Step 5: Solve for x
    x = 489,105,111,823.88/590,505.40
  6. Step 6: Final answer
    x = 828,282.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.