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Finding the Fourth Proportional to 369,110.80, 553,666.20 and 365,611.60

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Solution

The fourth proportional to 369,110.80, 553,666.20 and 365,611.60 is: 548,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,110.80 : 553,666.20 = 365,611.60 : x
  2. Step 2: Convert to fraction form
    369,110.80/553,666.20 = 365,611.60/x
  3. Step 3: Cross multiply
    369,110.80x = 553,666.20 × 365,611.60
  4. Step 4: Simplify right side
    369,110.80x = 202,426,785,247.92
  5. Step 5: Solve for x
    x = 202,426,785,247.92/369,110.80
  6. Step 6: Final answer
    x = 548,417.40

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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.