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Finding the Fourth Proportional to 710,168.28, 980,126.60 and 452,071.48

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Solution

The fourth proportional to 710,168.28, 980,126.60 and 452,071.48 is: 623,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,168.28 : 980,126.60 = 452,071.48 : x
  2. Step 2: Convert to fraction form
    710,168.28/980,126.60 = 452,071.48/x
  3. Step 3: Cross multiply
    710,168.28x = 980,126.60 × 452,071.48
  4. Step 4: Simplify right side
    710,168.28x = 443,087,282,649.37
  5. Step 5: Solve for x
    x = 443,087,282,649.37/710,168.28
  6. Step 6: Final answer
    x = 623,918.72

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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.