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Finding the Fourth Proportional to 282,362.40, 423,543.60 and 242,996.40

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Solution

The fourth proportional to 282,362.40, 423,543.60 and 242,996.40 is: 364,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,362.40 : 423,543.60 = 242,996.40 : x
  2. Step 2: Convert to fraction form
    282,362.40/423,543.60 = 242,996.40/x
  3. Step 3: Cross multiply
    282,362.40x = 423,543.60 × 242,996.40
  4. Step 4: Simplify right side
    282,362.40x = 102,919,570,043.04
  5. Step 5: Solve for x
    x = 102,919,570,043.04/282,362.40
  6. Step 6: Final answer
    x = 364,494.60

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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.