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Finding the Fourth Proportional to 1,983,776.68, 2,975,217.90 and 563,801.32

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Solution

The fourth proportional to 1,983,776.68, 2,975,217.90 and 563,801.32 is: 845,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,983,776.68 : 2,975,217.90 = 563,801.32 : x
  2. Step 2: Convert to fraction form
    1,983,776.68/2,975,217.90 = 563,801.32/x
  3. Step 3: Cross multiply
    1,983,776.68x = 2,975,217.90 × 563,801.32
  4. Step 4: Simplify right side
    1,983,776.68x = 1,677,431,779,307.63
  5. Step 5: Solve for x
    x = 1,677,431,779,307.63/1,983,776.68
  6. Step 6: Final answer
    x = 845,574.91

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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.