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Finding the Fourth Proportional to 477,321.65, 715,509.49 and 224,148.93

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Solution

The fourth proportional to 477,321.65, 715,509.49 and 224,148.93 is: 336,001.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,321.65 : 715,509.49 = 224,148.93 : x
  2. Step 2: Convert to fraction form
    477,321.65/715,509.49 = 224,148.93/x
  3. Step 3: Cross multiply
    477,321.65x = 715,509.49 × 224,148.93
  4. Step 4: Simplify right side
    477,321.65x = 160,380,686,588.35
  5. Step 5: Solve for x
    x = 160,380,686,588.35/477,321.65
  6. Step 6: Final answer
    x = 336,001.28

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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.