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Finding the Fourth Proportional to 608,934.40, 913,401.60 and 584,051.20

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Solution

The fourth proportional to 608,934.40, 913,401.60 and 584,051.20 is: 876,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,934.40 : 913,401.60 = 584,051.20 : x
  2. Step 2: Convert to fraction form
    608,934.40/913,401.60 = 584,051.20/x
  3. Step 3: Cross multiply
    608,934.40x = 913,401.60 × 584,051.20
  4. Step 4: Simplify right side
    608,934.40x = 533,473,300,561.92
  5. Step 5: Solve for x
    x = 533,473,300,561.92/608,934.40
  6. Step 6: Final answer
    x = 876,076.80

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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.