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Finding the Fourth Proportional to 491,123.70, 736,685.55 and 175,590.90

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Solution

The fourth proportional to 491,123.70, 736,685.55 and 175,590.90 is: 263,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,123.70 : 736,685.55 = 175,590.90 : x
  2. Step 2: Convert to fraction form
    491,123.70/736,685.55 = 175,590.90/x
  3. Step 3: Cross multiply
    491,123.70x = 736,685.55 × 175,590.90
  4. Step 4: Simplify right side
    491,123.70x = 129,355,278,741.50
  5. Step 5: Solve for x
    x = 129,355,278,741.50/491,123.70
  6. Step 6: Final answer
    x = 263,386.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.