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Finding the Fourth Proportional to 504,763.02, 695,155.68 and 493,740.54

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Solution

The fourth proportional to 504,763.02, 695,155.68 and 493,740.54 is: 679,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,763.02 : 695,155.68 = 493,740.54 : x
  2. Step 2: Convert to fraction form
    504,763.02/695,155.68 = 493,740.54/x
  3. Step 3: Cross multiply
    504,763.02x = 695,155.68 × 493,740.54
  4. Step 4: Simplify right side
    504,763.02x = 343,226,540,827.27
  5. Step 5: Solve for x
    x = 343,226,540,827.27/504,763.02
  6. Step 6: Final answer
    x = 679,975.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.