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Finding the Fourth Proportional to 583,015.92, 872,548.66 and 358,518.54

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Solution

The fourth proportional to 583,015.92, 872,548.66 and 358,518.54 is: 536,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,015.92 : 872,548.66 = 358,518.54 : x
  2. Step 2: Convert to fraction form
    583,015.92/872,548.66 = 358,518.54/x
  3. Step 3: Cross multiply
    583,015.92x = 872,548.66 × 358,518.54
  4. Step 4: Simplify right side
    583,015.92x = 312,824,871,662.16
  5. Step 5: Solve for x
    x = 312,824,871,662.16/583,015.92
  6. Step 6: Final answer
    x = 536,563.17

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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.