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Finding the Fourth Proportional to 294,353,999.80, 440,574,405.90 and 294,353,999.80

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Solution

The fourth proportional to 294,353,999.80, 440,574,405.90 and 294,353,999.80 is: 440,574,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,353,999.80 : 440,574,405.90 = 294,353,999.80 : x
  2. Step 2: Convert to fraction form
    294,353,999.80/440,574,405.90 = 294,353,999.80/x
  3. Step 3: Cross multiply
    294,353,999.80x = 440,574,405.90 × 294,353,999.80
  4. Step 4: Simplify right side
    294,353,999.80x = 129,684,838,586,173,712
  5. Step 5: Solve for x
    x = 129,684,838,586,173,712/294,353,999.80
  6. Step 6: Final answer
    x = 440,574,405.90

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1.5x scale

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.