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Finding the Fourth Proportional to 623,884.40, 936,150.60 and 291,460.40

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Solution

The fourth proportional to 623,884.40, 936,150.60 and 291,460.40 is: 437,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,884.40 : 936,150.60 = 291,460.40 : x
  2. Step 2: Convert to fraction form
    623,884.40/936,150.60 = 291,460.40/x
  3. Step 3: Cross multiply
    623,884.40x = 936,150.60 × 291,460.40
  4. Step 4: Simplify right side
    623,884.40x = 272,850,828,336.24
  5. Step 5: Solve for x
    x = 272,850,828,336.24/623,884.40
  6. Step 6: Final answer
    x = 437,341.96

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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.