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Finding the Fourth Proportional to 615,994.98, 850,064.10 and 344,066.74

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Solution

The fourth proportional to 615,994.98, 850,064.10 and 344,066.74 is: 474,807.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,994.98 : 850,064.10 = 344,066.74 : x
  2. Step 2: Convert to fraction form
    615,994.98/850,064.10 = 344,066.74/x
  3. Step 3: Cross multiply
    615,994.98x = 850,064.10 × 344,066.74
  4. Step 4: Simplify right side
    615,994.98x = 292,478,783,678.03
  5. Step 5: Solve for x
    x = 292,478,783,678.03/615,994.98
  6. Step 6: Final answer
    x = 474,807.09

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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.