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Finding the Fourth Proportional to 708,094.59, 977,181.72 and 385,804.56

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Solution

The fourth proportional to 708,094.59, 977,181.72 and 385,804.56 is: 532,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,094.59 : 977,181.72 = 385,804.56 : x
  2. Step 2: Convert to fraction form
    708,094.59/977,181.72 = 385,804.56/x
  3. Step 3: Cross multiply
    708,094.59x = 977,181.72 × 385,804.56
  4. Step 4: Simplify right side
    708,094.59x = 377,001,163,524.64
  5. Step 5: Solve for x
    x = 377,001,163,524.64/708,094.59
  6. Step 6: Final answer
    x = 532,416.39

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Double scale
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1.5x scale

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.