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Finding the Fourth Proportional to 634,535.80, 875,643.62 and 362,586.44

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Solution

The fourth proportional to 634,535.80, 875,643.62 and 362,586.44 is: 500,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,535.80 : 875,643.62 = 362,586.44 : x
  2. Step 2: Convert to fraction form
    634,535.80/875,643.62 = 362,586.44/x
  3. Step 3: Cross multiply
    634,535.80x = 875,643.62 × 362,586.44
  4. Step 4: Simplify right side
    634,535.80x = 317,496,502,884.51
  5. Step 5: Solve for x
    x = 317,496,502,884.51/634,535.80
  6. Step 6: Final answer
    x = 500,360.27

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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.