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Finding the Fourth Proportional to 968,040.64, 1,335,700.32 and 565,554.88

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Solution

The fourth proportional to 968,040.64, 1,335,700.32 and 565,554.88 is: 780,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,040.64 : 1,335,700.32 = 565,554.88 : x
  2. Step 2: Convert to fraction form
    968,040.64/1,335,700.32 = 565,554.88/x
  3. Step 3: Cross multiply
    968,040.64x = 1,335,700.32 × 565,554.88
  4. Step 4: Simplify right side
    968,040.64x = 755,411,834,193.56
  5. Step 5: Solve for x
    x = 755,411,834,193.56/968,040.64
  6. Step 6: Final answer
    x = 780,351.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.