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Finding the Fourth Proportional to 586,003.80, 879,696.90 and 333,485.40

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Solution

The fourth proportional to 586,003.80, 879,696.90 and 333,485.40 is: 500,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,003.80 : 879,696.90 = 333,485.40 : x
  2. Step 2: Convert to fraction form
    586,003.80/879,696.90 = 333,485.40/x
  3. Step 3: Cross multiply
    586,003.80x = 879,696.90 × 333,485.40
  4. Step 4: Simplify right side
    586,003.80x = 293,366,072,575.26
  5. Step 5: Solve for x
    x = 293,366,072,575.26/586,003.80
  6. Step 6: Final answer
    x = 500,621.45

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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.