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Finding the Fourth Proportional to 620,567.87, 931,223.66 and 265,582.26

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Solution

The fourth proportional to 620,567.87, 931,223.66 and 265,582.26 is: 398,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,567.87 : 931,223.66 = 265,582.26 : x
  2. Step 2: Convert to fraction form
    620,567.87/931,223.66 = 265,582.26/x
  3. Step 3: Cross multiply
    620,567.87x = 931,223.66 × 265,582.26
  4. Step 4: Simplify right side
    620,567.87x = 247,316,482,860.36
  5. Step 5: Solve for x
    x = 247,316,482,860.36/620,567.87
  6. Step 6: Final answer
    x = 398,532.53

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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.