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Finding the Fourth Proportional to 974,750.76, 1,461,590.87 and 300,645

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Solution

The fourth proportional to 974,750.76, 1,461,590.87 and 300,645 is: 450,802.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,750.76 : 1,461,590.87 = 300,645 : x
  2. Step 2: Convert to fraction form
    974,750.76/1,461,590.87 = 300,645/x
  3. Step 3: Cross multiply
    974,750.76x = 1,461,590.87 × 300,645
  4. Step 4: Simplify right side
    974,750.76x = 439,419,985,607.93
  5. Step 5: Solve for x
    x = 439,419,985,607.93/974,750.76
  6. Step 6: Final answer
    x = 450,802.40

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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.