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Finding the Fourth Proportional to 580,303.93, 870,414.08 and 153,830.04

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Solution

The fourth proportional to 580,303.93, 870,414.08 and 153,830.04 is: 230,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,303.93 : 870,414.08 = 153,830.04 : x
  2. Step 2: Convert to fraction form
    580,303.93/870,414.08 = 153,830.04/x
  3. Step 3: Cross multiply
    580,303.93x = 870,414.08 × 153,830.04
  4. Step 4: Simplify right side
    580,303.93x = 133,895,827,621.74
  5. Step 5: Solve for x
    x = 133,895,827,621.74/580,303.93
  6. Step 6: Final answer
    x = 230,733.97

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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.