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Finding the Fourth Proportional to 661,645.40, 924,306.10 and 661,645.40

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Solution

The fourth proportional to 661,645.40, 924,306.10 and 661,645.40 is: 924,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,645.40 : 924,306.10 = 661,645.40 : x
  2. Step 2: Convert to fraction form
    661,645.40/924,306.10 = 661,645.40/x
  3. Step 3: Cross multiply
    661,645.40x = 924,306.10 × 661,645.40
  4. Step 4: Simplify right side
    661,645.40x = 611,562,879,256.94
  5. Step 5: Solve for x
    x = 611,562,879,256.94/661,645.40
  6. Step 6: Final answer
    x = 924,306.10

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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.