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Finding the Fourth Proportional to 1,312,742.07, 1,968,402.33 and 592,241.76

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Solution

The fourth proportional to 1,312,742.07, 1,968,402.33 and 592,241.76 is: 888,041.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,742.07 : 1,968,402.33 = 592,241.76 : x
  2. Step 2: Convert to fraction form
    1,312,742.07/1,968,402.33 = 592,241.76/x
  3. Step 3: Cross multiply
    1,312,742.07x = 1,968,402.33 × 592,241.76
  4. Step 4: Simplify right side
    1,312,742.07x = 1,165,770,060,307.30
  5. Step 5: Solve for x
    x = 1,165,770,060,307.30/1,312,742.07
  6. Step 6: Final answer
    x = 888,041.97

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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.