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Finding the Fourth Proportional to 584,870.51, 875,309.70 and 490,207.55

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Solution

The fourth proportional to 584,870.51, 875,309.70 and 490,207.55 is: 733,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,870.51 : 875,309.70 = 490,207.55 : x
  2. Step 2: Convert to fraction form
    584,870.51/875,309.70 = 490,207.55/x
  3. Step 3: Cross multiply
    584,870.51x = 875,309.70 × 490,207.55
  4. Step 4: Simplify right side
    584,870.51x = 429,083,423,528.24
  5. Step 5: Solve for x
    x = 429,083,423,528.24/584,870.51
  6. Step 6: Final answer
    x = 733,638.33

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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.