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Finding the Fourth Proportional to 289,152.06, 435,702.48 and 237,713.82

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Solution

The fourth proportional to 289,152.06, 435,702.48 and 237,713.82 is: 358,193.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,152.06 : 435,702.48 = 237,713.82 : x
  2. Step 2: Convert to fraction form
    289,152.06/435,702.48 = 237,713.82/x
  3. Step 3: Cross multiply
    289,152.06x = 435,702.48 × 237,713.82
  4. Step 4: Simplify right side
    289,152.06x = 103,572,500,904.27
  5. Step 5: Solve for x
    x = 103,572,500,904.27/289,152.06
  6. Step 6: Final answer
    x = 358,193.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.