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Finding the Fourth Proportional to 607,064.64, 910,623 and 186,357.12

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Solution

The fourth proportional to 607,064.64, 910,623 and 186,357.12 is: 279,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,064.64 : 910,623 = 186,357.12 : x
  2. Step 2: Convert to fraction form
    607,064.64/910,623 = 186,357.12/x
  3. Step 3: Cross multiply
    607,064.64x = 910,623 × 186,357.12
  4. Step 4: Simplify right side
    607,064.64x = 169,701,079,685.76
  5. Step 5: Solve for x
    x = 169,701,079,685.76/607,064.64
  6. Step 6: Final answer
    x = 279,543.67

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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.