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Finding the Fourth Proportional to 648,702.60, 973,051.61 and 175,387.88

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Solution

The fourth proportional to 648,702.60, 973,051.61 and 175,387.88 is: 263,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,702.60 : 973,051.61 = 175,387.88 : x
  2. Step 2: Convert to fraction form
    648,702.60/973,051.61 = 175,387.88/x
  3. Step 3: Cross multiply
    648,702.60x = 973,051.61 × 175,387.88
  4. Step 4: Simplify right side
    648,702.60x = 170,661,453,266.29
  5. Step 5: Solve for x
    x = 170,661,453,266.29/648,702.60
  6. Step 6: Final answer
    x = 263,081.19

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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.