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Finding the Fourth Proportional to 1,764,501.60, 2,649,376.80 and 1,365,592.80

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Solution

The fourth proportional to 1,764,501.60, 2,649,376.80 and 1,365,592.80 is: 2,050,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,501.60 : 2,649,376.80 = 1,365,592.80 : x
  2. Step 2: Convert to fraction form
    1,764,501.60/2,649,376.80 = 1,365,592.80/x
  3. Step 3: Cross multiply
    1,764,501.60x = 2,649,376.80 × 1,365,592.80
  4. Step 4: Simplify right side
    1,764,501.60x = 3,617,969,882,567.04
  5. Step 5: Solve for x
    x = 3,617,969,882,567.04/1,764,501.60
  6. Step 6: Final answer
    x = 2,050,420.29

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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.