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Finding the Fourth Proportional to 571,870.54, 789,097.71 and 330,114.70

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Solution

The fourth proportional to 571,870.54, 789,097.71 and 330,114.70 is: 455,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,870.54 : 789,097.71 = 330,114.70 : x
  2. Step 2: Convert to fraction form
    571,870.54/789,097.71 = 330,114.70/x
  3. Step 3: Cross multiply
    571,870.54x = 789,097.71 × 330,114.70
  4. Step 4: Simplify right side
    571,870.54x = 260,492,753,807.34
  5. Step 5: Solve for x
    x = 260,492,753,807.34/571,870.54
  6. Step 6: Final answer
    x = 455,510.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.