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Finding the Fourth Proportional to 586,174.64, 873,994.28 and 536,129.84

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Solution

The fourth proportional to 586,174.64, 873,994.28 and 536,129.84 is: 799,376.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,174.64 : 873,994.28 = 536,129.84 : x
  2. Step 2: Convert to fraction form
    586,174.64/873,994.28 = 536,129.84/x
  3. Step 3: Cross multiply
    586,174.64x = 873,994.28 × 536,129.84
  4. Step 4: Simplify right side
    586,174.64x = 468,574,413,497.32
  5. Step 5: Solve for x
    x = 468,574,413,497.32/586,174.64
  6. Step 6: Final answer
    x = 799,376.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.