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Finding the Fourth Proportional to 1,986,968.04, 2,979,555.36 and 566,686.50

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Solution

The fourth proportional to 1,986,968.04, 2,979,555.36 and 566,686.50 is: 849,774.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,968.04 : 2,979,555.36 = 566,686.50 : x
  2. Step 2: Convert to fraction form
    1,986,968.04/2,979,555.36 = 566,686.50/x
  3. Step 3: Cross multiply
    1,986,968.04x = 2,979,555.36 × 566,686.50
  4. Step 4: Simplify right side
    1,986,968.04x = 1,688,473,798,514.64
  5. Step 5: Solve for x
    x = 1,688,473,798,514.64/1,986,968.04
  6. Step 6: Final answer
    x = 849,774.01

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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.