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Finding the Fourth Proportional to 583,070.96, 872,631.45 and 358,573.79

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Solution

The fourth proportional to 583,070.96, 872,631.45 and 358,573.79 is: 536,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,070.96 : 872,631.45 = 358,573.79 : x
  2. Step 2: Convert to fraction form
    583,070.96/872,631.45 = 358,573.79/x
  3. Step 3: Cross multiply
    583,070.96x = 872,631.45 × 358,573.79
  4. Step 4: Simplify right side
    583,070.96x = 312,902,761,936.54
  5. Step 5: Solve for x
    x = 312,902,761,936.54/583,070.96
  6. Step 6: Final answer
    x = 536,646.11

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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.