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Finding the Fourth Proportional to 369,076.70, 553,615.05 and 236,107.10

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Solution

The fourth proportional to 369,076.70, 553,615.05 and 236,107.10 is: 354,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,076.70 : 553,615.05 = 236,107.10 : x
  2. Step 2: Convert to fraction form
    369,076.70/553,615.05 = 236,107.10/x
  3. Step 3: Cross multiply
    369,076.70x = 553,615.05 × 236,107.10
  4. Step 4: Simplify right side
    369,076.70x = 130,712,443,971.86
  5. Step 5: Solve for x
    x = 130,712,443,971.86/369,076.70
  6. Step 6: Final answer
    x = 354,160.65

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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.