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Finding the Fourth Proportional to 424,346.64, 585,597.64 and 243,117.20

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Solution

The fourth proportional to 424,346.64, 585,597.64 and 243,117.20 is: 335,501.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,346.64 : 585,597.64 = 243,117.20 : x
  2. Step 2: Convert to fraction form
    424,346.64/585,597.64 = 243,117.20/x
  3. Step 3: Cross multiply
    424,346.64x = 585,597.64 × 243,117.20
  4. Step 4: Simplify right side
    424,346.64x = 142,368,858,563.41
  5. Step 5: Solve for x
    x = 142,368,858,563.41/424,346.64
  6. Step 6: Final answer
    x = 335,501.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.