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Finding the Fourth Proportional to 524,777.40, 785,999.70 and 524,777.40

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Solution

The fourth proportional to 524,777.40, 785,999.70 and 524,777.40 is: 785,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,777.40 : 785,999.70 = 524,777.40 : x
  2. Step 2: Convert to fraction form
    524,777.40/785,999.70 = 524,777.40/x
  3. Step 3: Cross multiply
    524,777.40x = 785,999.70 × 524,777.40
  4. Step 4: Simplify right side
    524,777.40x = 412,474,878,966.78
  5. Step 5: Solve for x
    x = 412,474,878,966.78/524,777.40
  6. Step 6: Final answer
    x = 785,999.70

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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.