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Finding the Fourth Proportional to 652,879.68, 900,980.64 and 362,496

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Solution

The fourth proportional to 652,879.68, 900,980.64 and 362,496 is: 500,248.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,879.68 : 900,980.64 = 362,496 : x
  2. Step 2: Convert to fraction form
    652,879.68/900,980.64 = 362,496/x
  3. Step 3: Cross multiply
    652,879.68x = 900,980.64 × 362,496
  4. Step 4: Simplify right side
    652,879.68x = 326,601,878,077.44
  5. Step 5: Solve for x
    x = 326,601,878,077.44/652,879.68
  6. Step 6: Final answer
    x = 500,248.19

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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.