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Finding the Fourth Proportional to 590,952.60, 886,428.90 and 538,421.40

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Solution

The fourth proportional to 590,952.60, 886,428.90 and 538,421.40 is: 807,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,952.60 : 886,428.90 = 538,421.40 : x
  2. Step 2: Convert to fraction form
    590,952.60/886,428.90 = 538,421.40/x
  3. Step 3: Cross multiply
    590,952.60x = 886,428.90 × 538,421.40
  4. Step 4: Simplify right side
    590,952.60x = 477,272,289,338.46
  5. Step 5: Solve for x
    x = 477,272,289,338.46/590,952.60
  6. Step 6: Final answer
    x = 807,632.10

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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.