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Finding the Fourth Proportional to 369,373.60, 554,060.40 and 367,040.80

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Solution

The fourth proportional to 369,373.60, 554,060.40 and 367,040.80 is: 550,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,373.60 : 554,060.40 = 367,040.80 : x
  2. Step 2: Convert to fraction form
    369,373.60/554,060.40 = 367,040.80/x
  3. Step 3: Cross multiply
    369,373.60x = 554,060.40 × 367,040.80
  4. Step 4: Simplify right side
    369,373.60x = 203,362,772,464.32
  5. Step 5: Solve for x
    x = 203,362,772,464.32/369,373.60
  6. Step 6: Final answer
    x = 550,561.20

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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.