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Finding the Fourth Proportional to 748,332.88, 1,122,509.04 and 249,696.88

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Solution

The fourth proportional to 748,332.88, 1,122,509.04 and 249,696.88 is: 374,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,332.88 : 1,122,509.04 = 249,696.88 : x
  2. Step 2: Convert to fraction form
    748,332.88/1,122,509.04 = 249,696.88/x
  3. Step 3: Cross multiply
    748,332.88x = 1,122,509.04 × 249,696.88
  4. Step 4: Simplify right side
    748,332.88x = 280,287,005,059.80
  5. Step 5: Solve for x
    x = 280,287,005,059.80/748,332.88
  6. Step 6: Final answer
    x = 374,548.56

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Similar ratio
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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.