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Finding the Fourth Proportional to 615,048.60, 922,572.90 and 559,936.20

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Solution

The fourth proportional to 615,048.60, 922,572.90 and 559,936.20 is: 839,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,048.60 : 922,572.90 = 559,936.20 : x
  2. Step 2: Convert to fraction form
    615,048.60/922,572.90 = 559,936.20/x
  3. Step 3: Cross multiply
    615,048.60x = 922,572.90 × 559,936.20
  4. Step 4: Simplify right side
    615,048.60x = 516,581,963,848.98
  5. Step 5: Solve for x
    x = 516,581,963,848.98/615,048.60
  6. Step 6: Final answer
    x = 839,904.30

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1.5x scale

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.