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Finding the Fourth Proportional to 693,234.03, 956,498.95 and 402,672.98

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Solution

The fourth proportional to 693,234.03, 956,498.95 and 402,672.98 is: 555,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,234.03 : 956,498.95 = 402,672.98 : x
  2. Step 2: Convert to fraction form
    693,234.03/956,498.95 = 402,672.98/x
  3. Step 3: Cross multiply
    693,234.03x = 956,498.95 × 402,672.98
  4. Step 4: Simplify right side
    693,234.03x = 385,156,281,178.81
  5. Step 5: Solve for x
    x = 385,156,281,178.81/693,234.03
  6. Step 6: Final answer
    x = 555,593.44

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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.