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Finding the Fourth Proportional to 585,471.65, 807,505.10 and 503,938.67

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Solution

The fourth proportional to 585,471.65, 807,505.10 and 503,938.67 is: 695,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,471.65 : 807,505.10 = 503,938.67 : x
  2. Step 2: Convert to fraction form
    585,471.65/807,505.10 = 503,938.67/x
  3. Step 3: Cross multiply
    585,471.65x = 807,505.10 × 503,938.67
  4. Step 4: Simplify right side
    585,471.65x = 406,933,039,555.00
  5. Step 5: Solve for x
    x = 406,933,039,555.00/585,471.65
  6. Step 6: Final answer
    x = 695,051.66

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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.