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Finding the Fourth Proportional to 622,798.04, 859,479.18 and 350,868.90

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Solution

The fourth proportional to 622,798.04, 859,479.18 and 350,868.90 is: 484,209.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,798.04 : 859,479.18 = 350,868.90 : x
  2. Step 2: Convert to fraction form
    622,798.04/859,479.18 = 350,868.90/x
  3. Step 3: Cross multiply
    622,798.04x = 859,479.18 × 350,868.90
  4. Step 4: Simplify right side
    622,798.04x = 301,564,514,459.50
  5. Step 5: Solve for x
    x = 301,564,514,459.50/622,798.04
  6. Step 6: Final answer
    x = 484,209.16

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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.