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Finding the Fourth Proportional to 557,358,506.40, 836,037,759.60 and 373,692,496.80

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Solution

The fourth proportional to 557,358,506.40, 836,037,759.60 and 373,692,496.80 is: 560,538,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,358,506.40 : 836,037,759.60 = 373,692,496.80 : x
  2. Step 2: Convert to fraction form
    557,358,506.40/836,037,759.60 = 373,692,496.80/x
  3. Step 3: Cross multiply
    557,358,506.40x = 836,037,759.60 × 373,692,496.80
  4. Step 4: Simplify right side
    557,358,506.40x = 312,421,037,804,002,176
  5. Step 5: Solve for x
    x = 312,421,037,804,002,176/557,358,506.40
  6. Step 6: Final answer
    x = 560,538,745.20

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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.