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Finding the Fourth Proportional to 615,066.70, 922,600.05 and 335,130.70

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Solution

The fourth proportional to 615,066.70, 922,600.05 and 335,130.70 is: 502,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,066.70 : 922,600.05 = 335,130.70 : x
  2. Step 2: Convert to fraction form
    615,066.70/922,600.05 = 335,130.70/x
  3. Step 3: Cross multiply
    615,066.70x = 922,600.05 × 335,130.70
  4. Step 4: Simplify right side
    615,066.70x = 309,191,600,576.54
  5. Step 5: Solve for x
    x = 309,191,600,576.54/615,066.70
  6. Step 6: Final answer
    x = 502,696.05

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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.