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Finding the Fourth Proportional to 586,028.80, 876,710.40 and 508,009.60

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Solution

The fourth proportional to 586,028.80, 876,710.40 and 508,009.60 is: 759,992.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,028.80 : 876,710.40 = 508,009.60 : x
  2. Step 2: Convert to fraction form
    586,028.80/876,710.40 = 508,009.60/x
  3. Step 3: Cross multiply
    586,028.80x = 876,710.40 × 508,009.60
  4. Step 4: Simplify right side
    586,028.80x = 445,377,299,619.84
  5. Step 5: Solve for x
    x = 445,377,299,619.84/586,028.80
  6. Step 6: Final answer
    x = 759,992.17

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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.