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Finding the Fourth Proportional to 562,666.96, 776,482.50 and 308,041.84

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Solution

The fourth proportional to 562,666.96, 776,482.50 and 308,041.84 is: 425,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,666.96 : 776,482.50 = 308,041.84 : x
  2. Step 2: Convert to fraction form
    562,666.96/776,482.50 = 308,041.84/x
  3. Step 3: Cross multiply
    562,666.96x = 776,482.50 × 308,041.84
  4. Step 4: Simplify right side
    562,666.96x = 239,189,098,027.80
  5. Step 5: Solve for x
    x = 239,189,098,027.80/562,666.96
  6. Step 6: Final answer
    x = 425,098.89

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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.