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Finding the Fourth Proportional to 564,558.76, 778,017.14 and 554,183.68

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Solution

The fourth proportional to 564,558.76, 778,017.14 and 554,183.68 is: 763,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,558.76 : 778,017.14 = 554,183.68 : x
  2. Step 2: Convert to fraction form
    564,558.76/778,017.14 = 554,183.68/x
  3. Step 3: Cross multiply
    564,558.76x = 778,017.14 × 554,183.68
  4. Step 4: Simplify right side
    564,558.76x = 431,164,401,748.28
  5. Step 5: Solve for x
    x = 431,164,401,748.28/564,558.76
  6. Step 6: Final answer
    x = 763,719.27

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Double scale
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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.