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Finding the Fourth Proportional to 456,800.71, 630,368.83 and 252,852.02

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Solution

The fourth proportional to 456,800.71, 630,368.83 and 252,852.02 is: 348,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,800.71 : 630,368.83 = 252,852.02 : x
  2. Step 2: Convert to fraction form
    456,800.71/630,368.83 = 252,852.02/x
  3. Step 3: Cross multiply
    456,800.71x = 630,368.83 × 252,852.02
  4. Step 4: Simplify right side
    456,800.71x = 159,390,032,010.54
  5. Step 5: Solve for x
    x = 159,390,032,010.54/456,800.71
  6. Step 6: Final answer
    x = 348,926.85

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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.