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Finding the Fourth Proportional to 908,331.56, 1,363,041.66 and 375,859.88

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Solution

The fourth proportional to 908,331.56, 1,363,041.66 and 375,859.88 is: 564,015.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,331.56 : 1,363,041.66 = 375,859.88 : x
  2. Step 2: Convert to fraction form
    908,331.56/1,363,041.66 = 375,859.88/x
  3. Step 3: Cross multiply
    908,331.56x = 1,363,041.66 × 375,859.88
  4. Step 4: Simplify right side
    908,331.56x = 512,312,674,762.60
  5. Step 5: Solve for x
    x = 512,312,674,762.60/908,331.56
  6. Step 6: Final answer
    x = 564,015.05

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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.