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Finding the Fourth Proportional to 1,054,357.70, 1,581,536.55 and 1,013,023.40

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Solution

The fourth proportional to 1,054,357.70, 1,581,536.55 and 1,013,023.40 is: 1,519,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,357.70 : 1,581,536.55 = 1,013,023.40 : x
  2. Step 2: Convert to fraction form
    1,054,357.70/1,581,536.55 = 1,013,023.40/x
  3. Step 3: Cross multiply
    1,054,357.70x = 1,581,536.55 × 1,013,023.40
  4. Step 4: Simplify right side
    1,054,357.70x = 1,602,133,533,105.27
  5. Step 5: Solve for x
    x = 1,602,133,533,105.27/1,054,357.70
  6. Step 6: Final answer
    x = 1,519,535.10

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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.