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Finding the Fourth Proportional to 1,312,743.07, 1,968,403.83 and 592,242.76

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Solution

The fourth proportional to 1,312,743.07, 1,968,403.83 and 592,242.76 is: 888,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,743.07 : 1,968,403.83 = 592,242.76 : x
  2. Step 2: Convert to fraction form
    1,312,743.07/1,968,403.83 = 592,242.76/x
  3. Step 3: Cross multiply
    1,312,743.07x = 1,968,403.83 × 592,242.76
  4. Step 4: Simplify right side
    1,312,743.07x = 1,165,772,917,073.77
  5. Step 5: Solve for x
    x = 1,165,772,917,073.77/1,312,743.07
  6. Step 6: Final answer
    x = 888,043.47

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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.