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Finding the Fourth Proportional to 661,669.90, 924,340.40 and 661,669.90

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Solution

The fourth proportional to 661,669.90, 924,340.40 and 661,669.90 is: 924,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,669.90 : 924,340.40 = 661,669.90 : x
  2. Step 2: Convert to fraction form
    661,669.90/924,340.40 = 661,669.90/x
  3. Step 3: Cross multiply
    661,669.90x = 924,340.40 × 661,669.90
  4. Step 4: Simplify right side
    661,669.90x = 611,608,220,033.96
  5. Step 5: Solve for x
    x = 611,608,220,033.96/661,669.90
  6. Step 6: Final answer
    x = 924,340.40

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1.5x scale

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.