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Finding the Fourth Proportional to 560,108.40, 838,607.40 and 544,556.40

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Solution

The fourth proportional to 560,108.40, 838,607.40 and 544,556.40 is: 815,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,108.40 : 838,607.40 = 544,556.40 : x
  2. Step 2: Convert to fraction form
    560,108.40/838,607.40 = 544,556.40/x
  3. Step 3: Cross multiply
    560,108.40x = 838,607.40 × 544,556.40
  4. Step 4: Simplify right side
    560,108.40x = 456,669,026,757.36
  5. Step 5: Solve for x
    x = 456,669,026,757.36/560,108.40
  6. Step 6: Final answer
    x = 815,322.58

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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.