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Finding the Fourth Proportional to 580,888.80, 870,590.99 and 468,621.89

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Solution

The fourth proportional to 580,888.80, 870,590.99 and 468,621.89 is: 702,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,888.80 : 870,590.99 = 468,621.89 : x
  2. Step 2: Convert to fraction form
    580,888.80/870,590.99 = 468,621.89/x
  3. Step 3: Cross multiply
    580,888.80x = 870,590.99 × 468,621.89
  4. Step 4: Simplify right side
    580,888.80x = 407,977,992,598.09
  5. Step 5: Solve for x
    x = 407,977,992,598.09/580,888.80
  6. Step 6: Final answer
    x = 702,334.07

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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.