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Finding the Fourth Proportional to 360,373.60, 497,196.71 and 231,384.34

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Solution

The fourth proportional to 360,373.60, 497,196.71 and 231,384.34 is: 319,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,373.60 : 497,196.71 = 231,384.34 : x
  2. Step 2: Convert to fraction form
    360,373.60/497,196.71 = 231,384.34/x
  3. Step 3: Cross multiply
    360,373.60x = 497,196.71 × 231,384.34
  4. Step 4: Simplify right side
    360,373.60x = 115,043,532,925.79
  5. Step 5: Solve for x
    x = 115,043,532,925.79/360,373.60
  6. Step 6: Final answer
    x = 319,234.07

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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.