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Finding the Fourth Proportional to 583,000.40, 872,525.39 and 358,503.03

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Solution

The fourth proportional to 583,000.40, 872,525.39 and 358,503.03 is: 536,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,000.40 : 872,525.39 = 358,503.03 : x
  2. Step 2: Convert to fraction form
    583,000.40/872,525.39 = 358,503.03/x
  3. Step 3: Cross multiply
    583,000.40x = 872,525.39 × 358,503.03
  4. Step 4: Simplify right side
    583,000.40x = 312,802,994,274.42
  5. Step 5: Solve for x
    x = 312,802,994,274.42/583,000.40
  6. Step 6: Final answer
    x = 536,539.93

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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.