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Finding the Fourth Proportional to 586,602.90, 879,860.58 and 202,314.18

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Solution

The fourth proportional to 586,602.90, 879,860.58 and 202,314.18 is: 303,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,602.90 : 879,860.58 = 202,314.18 : x
  2. Step 2: Convert to fraction form
    586,602.90/879,860.58 = 202,314.18/x
  3. Step 3: Cross multiply
    586,602.90x = 879,860.58 × 202,314.18
  4. Step 4: Simplify right side
    586,602.90x = 178,008,271,757.02
  5. Step 5: Solve for x
    x = 178,008,271,757.02/586,602.90
  6. Step 6: Final answer
    x = 303,456.17

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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.