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Finding the Fourth Proportional to 369,258.60, 553,887.90 and 366,925.80

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Solution

The fourth proportional to 369,258.60, 553,887.90 and 366,925.80 is: 550,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,258.60 : 553,887.90 = 366,925.80 : x
  2. Step 2: Convert to fraction form
    369,258.60/553,887.90 = 366,925.80/x
  3. Step 3: Cross multiply
    369,258.60x = 553,887.90 × 366,925.80
  4. Step 4: Simplify right side
    369,258.60x = 203,235,760,817.82
  5. Step 5: Solve for x
    x = 203,235,760,817.82/369,258.60
  6. Step 6: Final answer
    x = 550,388.70

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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.