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Finding the Fourth Proportional to 593,887.80, 890,939.70 and 194,417.40

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Solution

The fourth proportional to 593,887.80, 890,939.70 and 194,417.40 is: 291,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,887.80 : 890,939.70 = 194,417.40 : x
  2. Step 2: Convert to fraction form
    593,887.80/890,939.70 = 194,417.40/x
  3. Step 3: Cross multiply
    593,887.80x = 890,939.70 × 194,417.40
  4. Step 4: Simplify right side
    593,887.80x = 173,214,180,030.78
  5. Step 5: Solve for x
    x = 173,214,180,030.78/593,887.80
  6. Step 6: Final answer
    x = 291,661.46

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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.