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Finding the Fourth Proportional to 566,999.40, 748,999.08 and 566,999.40

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Solution

The fourth proportional to 566,999.40, 748,999.08 and 566,999.40 is: 748,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,999.40 : 748,999.08 = 566,999.40 : x
  2. Step 2: Convert to fraction form
    566,999.40/748,999.08 = 566,999.40/x
  3. Step 3: Cross multiply
    566,999.40x = 748,999.08 × 566,999.40
  4. Step 4: Simplify right side
    566,999.40x = 424,682,028,960.55
  5. Step 5: Solve for x
    x = 424,682,028,960.55/566,999.40
  6. Step 6: Final answer
    x = 748,999.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.