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Finding the Fourth Proportional to 506,510.55, 759,485.30 and 207,201.24

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Solution

The fourth proportional to 506,510.55, 759,485.30 and 207,201.24 is: 310,687.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,510.55 : 759,485.30 = 207,201.24 : x
  2. Step 2: Convert to fraction form
    506,510.55/759,485.30 = 207,201.24/x
  3. Step 3: Cross multiply
    506,510.55x = 759,485.30 × 207,201.24
  4. Step 4: Simplify right side
    506,510.55x = 157,366,294,885.77
  5. Step 5: Solve for x
    x = 157,366,294,885.77/506,510.55
  6. Step 6: Final answer
    x = 310,687.10

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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.