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Finding the Fourth Proportional to 500,036.94, 690,052.80 and 270,594.20

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Solution

The fourth proportional to 500,036.94, 690,052.80 and 270,594.20 is: 373,420.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,036.94 : 690,052.80 = 270,594.20 : x
  2. Step 2: Convert to fraction form
    500,036.94/690,052.80 = 270,594.20/x
  3. Step 3: Cross multiply
    500,036.94x = 690,052.80 × 270,594.20
  4. Step 4: Simplify right side
    500,036.94x = 186,724,285,373.76
  5. Step 5: Solve for x
    x = 186,724,285,373.76/500,036.94
  6. Step 6: Final answer
    x = 373,420.98

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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.