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Finding the Fourth Proportional to 560,927.80, 841,391.70 and 515,052.60

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Solution

The fourth proportional to 560,927.80, 841,391.70 and 515,052.60 is: 772,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,927.80 : 841,391.70 = 515,052.60 : x
  2. Step 2: Convert to fraction form
    560,927.80/841,391.70 = 515,052.60/x
  3. Step 3: Cross multiply
    560,927.80x = 841,391.70 × 515,052.60
  4. Step 4: Simplify right side
    560,927.80x = 433,360,982,703.42
  5. Step 5: Solve for x
    x = 433,360,982,703.42/560,927.80
  6. Step 6: Final answer
    x = 772,578.90

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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.