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Finding the Fourth Proportional to 975,756.74, 1,464,475.86 and 676,447.51

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Solution

The fourth proportional to 975,756.74, 1,464,475.86 and 676,447.51 is: 1,015,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,756.74 : 1,464,475.86 = 676,447.51 : x
  2. Step 2: Convert to fraction form
    975,756.74/1,464,475.86 = 676,447.51/x
  3. Step 3: Cross multiply
    975,756.74x = 1,464,475.86 × 676,447.51
  4. Step 4: Simplify right side
    975,756.74x = 990,641,043,320.85
  5. Step 5: Solve for x
    x = 990,641,043,320.85/975,756.74
  6. Step 6: Final answer
    x = 1,015,254.12

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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.