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Finding the Fourth Proportional to 1,793,506.04, 2,475,921.95 and 1,242,639.52

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Solution

The fourth proportional to 1,793,506.04, 2,475,921.95 and 1,242,639.52 is: 1,715,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,506.04 : 2,475,921.95 = 1,242,639.52 : x
  2. Step 2: Convert to fraction form
    1,793,506.04/2,475,921.95 = 1,242,639.52/x
  3. Step 3: Cross multiply
    1,793,506.04x = 2,475,921.95 × 1,242,639.52
  4. Step 4: Simplify right side
    1,793,506.04x = 3,076,678,463,505.46
  5. Step 5: Solve for x
    x = 3,076,678,463,505.46/1,793,506.04
  6. Step 6: Final answer
    x = 1,715,454.75

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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.