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Finding the Fourth Proportional to 2,602,169.94, 3,905,218.19 and 1,779,543.00

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Solution

The fourth proportional to 2,602,169.94, 3,905,218.19 and 1,779,543.00 is: 2,670,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602,169.94 : 3,905,218.19 = 1,779,543.00 : x
  2. Step 2: Convert to fraction form
    2,602,169.94/3,905,218.19 = 1,779,543.00/x
  3. Step 3: Cross multiply
    2,602,169.94x = 3,905,218.19 × 1,779,543.00
  4. Step 4: Simplify right side
    2,602,169.94x = 6,949,503,712,580.60
  5. Step 5: Solve for x
    x = 6,949,503,712,580.60/2,602,169.94
  6. Step 6: Final answer
    x = 2,670,657.14

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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.