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Finding the Fourth Proportional to 1,249,248.03, 1,723,962.86 and 676,288.21

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Solution

The fourth proportional to 1,249,248.03, 1,723,962.86 and 676,288.21 is: 933,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,248.03 : 1,723,962.86 = 676,288.21 : x
  2. Step 2: Convert to fraction form
    1,249,248.03/1,723,962.86 = 676,288.21/x
  3. Step 3: Cross multiply
    1,249,248.03x = 1,723,962.86 × 676,288.21
  4. Step 4: Simplify right side
    1,249,248.03x = 1,165,895,756,695.88
  5. Step 5: Solve for x
    x = 1,165,895,756,695.88/1,249,248.03
  6. Step 6: Final answer
    x = 933,278.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.