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Finding the Fourth Proportional to 506,455.73, 759,403.15 and 207,146.50

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Solution

The fourth proportional to 506,455.73, 759,403.15 and 207,146.50 is: 310,605.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,455.73 : 759,403.15 = 207,146.50 : x
  2. Step 2: Convert to fraction form
    506,455.73/759,403.15 = 207,146.50/x
  3. Step 3: Cross multiply
    506,455.73x = 759,403.15 × 207,146.50
  4. Step 4: Simplify right side
    506,455.73x = 157,307,702,195.10
  5. Step 5: Solve for x
    x = 157,307,702,195.10/506,455.73
  6. Step 6: Final answer
    x = 310,605.04

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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.