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Finding the Fourth Proportional to 1,579,801.71, 2,369,869.43 and 514,927.11

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Solution

The fourth proportional to 1,579,801.71, 2,369,869.43 and 514,927.11 is: 772,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,801.71 : 2,369,869.43 = 514,927.11 : x
  2. Step 2: Convert to fraction form
    1,579,801.71/2,369,869.43 = 514,927.11/x
  3. Step 3: Cross multiply
    1,579,801.71x = 2,369,869.43 × 514,927.11
  4. Step 4: Simplify right side
    1,579,801.71x = 1,220,310,014,092.61
  5. Step 5: Solve for x
    x = 1,220,310,014,092.61/1,579,801.71
  6. Step 6: Final answer
    x = 772,445.05

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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.