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Finding the Fourth Proportional to 477,973.70, 717,068.57 and 158,124.82

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Solution

The fourth proportional to 477,973.70, 717,068.57 and 158,124.82 is: 237,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,973.70 : 717,068.57 = 158,124.82 : x
  2. Step 2: Convert to fraction form
    477,973.70/717,068.57 = 158,124.82/x
  3. Step 3: Cross multiply
    477,973.70x = 717,068.57 × 158,124.82
  4. Step 4: Simplify right side
    477,973.70x = 113,386,335,303.36
  5. Step 5: Solve for x
    x = 113,386,335,303.36/477,973.70
  6. Step 6: Final answer
    x = 237,222.96

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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.