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Finding the Fourth Proportional to 625,368.32, 938,039.52 and 152,056.16

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Solution

The fourth proportional to 625,368.32, 938,039.52 and 152,056.16 is: 228,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,368.32 : 938,039.52 = 152,056.16 : x
  2. Step 2: Convert to fraction form
    625,368.32/938,039.52 = 152,056.16/x
  3. Step 3: Cross multiply
    625,368.32x = 938,039.52 × 152,056.16
  4. Step 4: Simplify right side
    625,368.32x = 142,634,687,339.44
  5. Step 5: Solve for x
    x = 142,634,687,339.44/625,368.32
  6. Step 6: Final answer
    x = 228,081.09

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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.