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Finding the Fourth Proportional to 551,482.60, 770,501 and 551,482.60

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Solution

The fourth proportional to 551,482.60, 770,501 and 551,482.60 is: 770,501

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,482.60 : 770,501 = 551,482.60 : x
  2. Step 2: Convert to fraction form
    551,482.60/770,501 = 551,482.60/x
  3. Step 3: Cross multiply
    551,482.60x = 770,501 × 551,482.60
  4. Step 4: Simplify right side
    551,482.60x = 424,917,894,782.60
  5. Step 5: Solve for x
    x = 424,917,894,782.60/551,482.60
  6. Step 6: Final answer
    x = 770,501

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.