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Finding the Fourth Proportional to 617,926.40, 925,852.80 and 301,702.40

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Solution

The fourth proportional to 617,926.40, 925,852.80 and 301,702.40 is: 452,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,926.40 : 925,852.80 = 301,702.40 : x
  2. Step 2: Convert to fraction form
    617,926.40/925,852.80 = 301,702.40/x
  3. Step 3: Cross multiply
    617,926.40x = 925,852.80 × 301,702.40
  4. Step 4: Simplify right side
    617,926.40x = 279,332,011,806.72
  5. Step 5: Solve for x
    x = 279,332,011,806.72/617,926.40
  6. Step 6: Final answer
    x = 452,047.38

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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.