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Finding the Fourth Proportional to 615,080.40, 923,009.40 and 362,360.40

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Solution

The fourth proportional to 615,080.40, 923,009.40 and 362,360.40 is: 543,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,080.40 : 923,009.40 = 362,360.40 : x
  2. Step 2: Convert to fraction form
    615,080.40/923,009.40 = 362,360.40/x
  3. Step 3: Cross multiply
    615,080.40x = 923,009.40 × 362,360.40
  4. Step 4: Simplify right side
    615,080.40x = 334,462,055,387.76
  5. Step 5: Solve for x
    x = 334,462,055,387.76/615,080.40
  6. Step 6: Final answer
    x = 543,769.65

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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.