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Finding the Fourth Proportional to 561,337.20, 841,746.60 and 245,631.60

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Solution

The fourth proportional to 561,337.20, 841,746.60 and 245,631.60 is: 368,333.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,337.20 : 841,746.60 = 245,631.60 : x
  2. Step 2: Convert to fraction form
    561,337.20/841,746.60 = 245,631.60/x
  3. Step 3: Cross multiply
    561,337.20x = 841,746.60 × 245,631.60
  4. Step 4: Simplify right side
    561,337.20x = 206,759,564,152.56
  5. Step 5: Solve for x
    x = 206,759,564,152.56/561,337.20
  6. Step 6: Final answer
    x = 368,333.98

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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.