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Finding the Fourth Proportional to 1,249,237.98, 1,723,949.00 and 676,278.15

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Solution

The fourth proportional to 1,249,237.98, 1,723,949.00 and 676,278.15 is: 933,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,237.98 : 1,723,949.00 = 676,278.15 : x
  2. Step 2: Convert to fraction form
    1,249,237.98/1,723,949.00 = 676,278.15/x
  3. Step 3: Cross multiply
    1,249,237.98x = 1,723,949.00 × 676,278.15
  4. Step 4: Simplify right side
    1,249,237.98x = 1,165,869,038,475.07
  5. Step 5: Solve for x
    x = 1,165,869,038,475.07/1,249,237.98
  6. Step 6: Final answer
    x = 933,264.16

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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.