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Finding the Fourth Proportional to 656,302.60, 921,623 and 656,302.60

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Solution

The fourth proportional to 656,302.60, 921,623 and 656,302.60 is: 921,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,302.60 : 921,623 = 656,302.60 : x
  2. Step 2: Convert to fraction form
    656,302.60/921,623 = 656,302.60/x
  3. Step 3: Cross multiply
    656,302.60x = 921,623 × 656,302.60
  4. Step 4: Simplify right side
    656,302.60x = 604,863,571,119.80
  5. Step 5: Solve for x
    x = 604,863,571,119.80/656,302.60
  6. Step 6: Final answer
    x = 921,623.00

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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.