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Finding the Fourth Proportional to 610,815.06, 842,964.64 and 352,702.89

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Solution

The fourth proportional to 610,815.06, 842,964.64 and 352,702.89 is: 486,753.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,815.06 : 842,964.64 = 352,702.89 : x
  2. Step 2: Convert to fraction form
    610,815.06/842,964.64 = 352,702.89/x
  3. Step 3: Cross multiply
    610,815.06x = 842,964.64 × 352,702.89
  4. Step 4: Simplify right side
    610,815.06x = 297,316,063,814.05
  5. Step 5: Solve for x
    x = 297,316,063,814.05/610,815.06
  6. Step 6: Final answer
    x = 486,753.00

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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.