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Finding the Fourth Proportional to 453,931.60, 680,897.40 and 365,358.10

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Solution

The fourth proportional to 453,931.60, 680,897.40 and 365,358.10 is: 548,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,931.60 : 680,897.40 = 365,358.10 : x
  2. Step 2: Convert to fraction form
    453,931.60/680,897.40 = 365,358.10/x
  3. Step 3: Cross multiply
    453,931.60x = 680,897.40 × 365,358.10
  4. Step 4: Simplify right side
    453,931.60x = 248,771,380,358.94
  5. Step 5: Solve for x
    x = 248,771,380,358.94/453,931.60
  6. Step 6: Final answer
    x = 548,037.15

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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.