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Finding the Fourth Proportional to 397,663.60, 596,495.40 and 148,332.40

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Solution

The fourth proportional to 397,663.60, 596,495.40 and 148,332.40 is: 222,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,663.60 : 596,495.40 = 148,332.40 : x
  2. Step 2: Convert to fraction form
    397,663.60/596,495.40 = 148,332.40/x
  3. Step 3: Cross multiply
    397,663.60x = 596,495.40 × 148,332.40
  4. Step 4: Simplify right side
    397,663.60x = 88,479,594,270.96
  5. Step 5: Solve for x
    x = 88,479,594,270.96/397,663.60
  6. Step 6: Final answer
    x = 222,498.60

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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.