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Finding the Fourth Proportional to 590,962.60, 886,443.90 and 538,431.40

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Solution

The fourth proportional to 590,962.60, 886,443.90 and 538,431.40 is: 807,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,962.60 : 886,443.90 = 538,431.40 : x
  2. Step 2: Convert to fraction form
    590,962.60/886,443.90 = 538,431.40/x
  3. Step 3: Cross multiply
    590,962.60x = 886,443.90 × 538,431.40
  4. Step 4: Simplify right side
    590,962.60x = 477,289,230,098.46
  5. Step 5: Solve for x
    x = 477,289,230,098.46/590,962.60
  6. Step 6: Final answer
    x = 807,647.10

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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.