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Finding the Fourth Proportional to 634,590.87, 875,683.34 and 348,110.96

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Solution

The fourth proportional to 634,590.87, 875,683.34 and 348,110.96 is: 480,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,590.87 : 875,683.34 = 348,110.96 : x
  2. Step 2: Convert to fraction form
    634,590.87/875,683.34 = 348,110.96/x
  3. Step 3: Cross multiply
    634,590.87x = 875,683.34 × 348,110.96
  4. Step 4: Simplify right side
    634,590.87x = 304,834,964,635.27
  5. Step 5: Solve for x
    x = 304,834,964,635.27/634,590.87
  6. Step 6: Final answer
    x = 480,364.56

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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.