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Finding the Fourth Proportional to 590,968.20, 886,452.30 and 402,011.40

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Solution

The fourth proportional to 590,968.20, 886,452.30 and 402,011.40 is: 603,017.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,968.20 : 886,452.30 = 402,011.40 : x
  2. Step 2: Convert to fraction form
    590,968.20/886,452.30 = 402,011.40/x
  3. Step 3: Cross multiply
    590,968.20x = 886,452.30 × 402,011.40
  4. Step 4: Simplify right side
    590,968.20x = 356,363,930,156.22
  5. Step 5: Solve for x
    x = 356,363,930,156.22/590,968.20
  6. Step 6: Final answer
    x = 603,017.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.