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Finding the Fourth Proportional to 1,005,694, 1,509,488.93 and 366,615.69

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Solution

The fourth proportional to 1,005,694, 1,509,488.93 and 366,615.69 is: 550,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,694 : 1,509,488.93 = 366,615.69 : x
  2. Step 2: Convert to fraction form
    1,005,694/1,509,488.93 = 366,615.69/x
  3. Step 3: Cross multiply
    1,005,694x = 1,509,488.93 × 366,615.69
  4. Step 4: Simplify right side
    1,005,694x = 553,402,325,619.31
  5. Step 5: Solve for x
    x = 553,402,325,619.31/1,005,694
  6. Step 6: Final answer
    x = 550,269.09

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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.