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Finding the Fourth Proportional to 630,038.58, 944,677.80 and 251,017.74

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Solution

The fourth proportional to 630,038.58, 944,677.80 and 251,017.74 is: 376,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,038.58 : 944,677.80 = 251,017.74 : x
  2. Step 2: Convert to fraction form
    630,038.58/944,677.80 = 251,017.74/x
  3. Step 3: Cross multiply
    630,038.58x = 944,677.80 × 251,017.74
  4. Step 4: Simplify right side
    630,038.58x = 237,130,886,384.17
  5. Step 5: Solve for x
    x = 237,130,886,384.17/630,038.58
  6. Step 6: Final answer
    x = 376,375.18

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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.