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Finding the Fourth Proportional to 585,019.80, 877,529.70 and 506,287.80

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Solution

The fourth proportional to 585,019.80, 877,529.70 and 506,287.80 is: 759,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,019.80 : 877,529.70 = 506,287.80 : x
  2. Step 2: Convert to fraction form
    585,019.80/877,529.70 = 506,287.80/x
  3. Step 3: Cross multiply
    585,019.80x = 877,529.70 × 506,287.80
  4. Step 4: Simplify right side
    585,019.80x = 444,282,581,247.66
  5. Step 5: Solve for x
    x = 444,282,581,247.66/585,019.80
  6. Step 6: Final answer
    x = 759,431.70

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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.