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Finding the Fourth Proportional to 585,005.80, 877,303.90 and 304,429.80

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Solution

The fourth proportional to 585,005.80, 877,303.90 and 304,429.80 is: 456,538.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,005.80 : 877,303.90 = 304,429.80 : x
  2. Step 2: Convert to fraction form
    585,005.80/877,303.90 = 304,429.80/x
  3. Step 3: Cross multiply
    585,005.80x = 877,303.90 × 304,429.80
  4. Step 4: Simplify right side
    585,005.80x = 267,077,450,816.22
  5. Step 5: Solve for x
    x = 267,077,450,816.22/585,005.80
  6. Step 6: Final answer
    x = 456,538.12

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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.