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Finding the Fourth Proportional to 887,852.64, 1,225,172.88 and 548,326.56

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Solution

The fourth proportional to 887,852.64, 1,225,172.88 and 548,326.56 is: 756,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,852.64 : 1,225,172.88 = 548,326.56 : x
  2. Step 2: Convert to fraction form
    887,852.64/1,225,172.88 = 548,326.56/x
  3. Step 3: Cross multiply
    887,852.64x = 1,225,172.88 × 548,326.56
  4. Step 4: Simplify right side
    887,852.64x = 671,794,830,695.69
  5. Step 5: Solve for x
    x = 671,794,830,695.69/887,852.64
  6. Step 6: Final answer
    x = 756,651.27

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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.