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Finding the Fourth Proportional to 563,382.88, 777,015.64 and 495,254.84

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Solution

The fourth proportional to 563,382.88, 777,015.64 and 495,254.84 is: 683,053.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,382.88 : 777,015.64 = 495,254.84 : x
  2. Step 2: Convert to fraction form
    563,382.88/777,015.64 = 495,254.84/x
  3. Step 3: Cross multiply
    563,382.88x = 777,015.64 × 495,254.84
  4. Step 4: Simplify right side
    563,382.88x = 384,820,756,465.70
  5. Step 5: Solve for x
    x = 384,820,756,465.70/563,382.88
  6. Step 6: Final answer
    x = 683,053.69

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1.5x scale

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.