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Finding the Fourth Proportional to 584,779.91, 807,003 and 343,066.59

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Solution

The fourth proportional to 584,779.91, 807,003 and 343,066.59 is: 473,435.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,779.91 : 807,003 = 343,066.59 : x
  2. Step 2: Convert to fraction form
    584,779.91/807,003 = 343,066.59/x
  3. Step 3: Cross multiply
    584,779.91x = 807,003 × 343,066.59
  4. Step 4: Simplify right side
    584,779.91x = 276,855,767,329.77
  5. Step 5: Solve for x
    x = 276,855,767,329.77/584,779.91
  6. Step 6: Final answer
    x = 473,435.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.