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Finding the Fourth Proportional to 615,932.30, 918,204.98 and 606,226.10

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Solution

The fourth proportional to 615,932.30, 918,204.98 and 606,226.10 is: 903,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,932.30 : 918,204.98 = 606,226.10 : x
  2. Step 2: Convert to fraction form
    615,932.30/918,204.98 = 606,226.10/x
  3. Step 3: Cross multiply
    615,932.30x = 918,204.98 × 606,226.10
  4. Step 4: Simplify right side
    615,932.30x = 556,639,824,025.98
  5. Step 5: Solve for x
    x = 556,639,824,025.98/615,932.30
  6. Step 6: Final answer
    x = 903,735.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.