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Finding the Fourth Proportional to 1,564,426, 2,158,907.88 and 849,034

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Solution

The fourth proportional to 1,564,426, 2,158,907.88 and 849,034 is: 1,171,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,426 : 2,158,907.88 = 849,034 : x
  2. Step 2: Convert to fraction form
    1,564,426/2,158,907.88 = 849,034/x
  3. Step 3: Cross multiply
    1,564,426x = 2,158,907.88 × 849,034
  4. Step 4: Simplify right side
    1,564,426x = 1,832,986,192,987.92
  5. Step 5: Solve for x
    x = 1,832,986,192,987.92/1,564,426
  6. Step 6: Final answer
    x = 1,171,666.92

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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.