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Finding the Fourth Proportional to 1,702,135.91, 2,553,582.95 and 742,746.39

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Solution

The fourth proportional to 1,702,135.91, 2,553,582.95 and 742,746.39 is: 1,114,285.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,135.91 : 2,553,582.95 = 742,746.39 : x
  2. Step 2: Convert to fraction form
    1,702,135.91/2,553,582.95 = 742,746.39/x
  3. Step 3: Cross multiply
    1,702,135.91x = 2,553,582.95 × 742,746.39
  4. Step 4: Simplify right side
    1,702,135.91x = 1,896,664,513,964.32
  5. Step 5: Solve for x
    x = 1,896,664,513,964.32/1,702,135.91
  6. Step 6: Final answer
    x = 1,114,285.00

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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.