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Finding the Fourth Proportional to 615,854.80, 923,590.20 and 241,992.40

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Solution

The fourth proportional to 615,854.80, 923,590.20 and 241,992.40 is: 362,913.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,854.80 : 923,590.20 = 241,992.40 : x
  2. Step 2: Convert to fraction form
    615,854.80/923,590.20 = 241,992.40/x
  3. Step 3: Cross multiply
    615,854.80x = 923,590.20 × 241,992.40
  4. Step 4: Simplify right side
    615,854.80x = 223,501,809,114.48
  5. Step 5: Solve for x
    x = 223,501,809,114.48/615,854.80
  6. Step 6: Final answer
    x = 362,913.16

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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.