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Finding the Fourth Proportional to 593,935.80, 891,011.70 and 194,465.40

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Solution

The fourth proportional to 593,935.80, 891,011.70 and 194,465.40 is: 291,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,935.80 : 891,011.70 = 194,465.40 : x
  2. Step 2: Convert to fraction form
    593,935.80/891,011.70 = 194,465.40/x
  3. Step 3: Cross multiply
    593,935.80x = 891,011.70 × 194,465.40
  4. Step 4: Simplify right side
    593,935.80x = 173,270,946,645.18
  5. Step 5: Solve for x
    x = 173,270,946,645.18/593,935.80
  6. Step 6: Final answer
    x = 291,733.46

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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.