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Finding the Fourth Proportional to 445,962.16, 615,386.76 and 264,642.88

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Solution

The fourth proportional to 445,962.16, 615,386.76 and 264,642.88 is: 365,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,962.16 : 615,386.76 = 264,642.88 : x
  2. Step 2: Convert to fraction form
    445,962.16/615,386.76 = 264,642.88/x
  3. Step 3: Cross multiply
    445,962.16x = 615,386.76 × 264,642.88
  4. Step 4: Simplify right side
    445,962.16x = 162,857,724,480.27
  5. Step 5: Solve for x
    x = 162,857,724,480.27/445,962.16
  6. Step 6: Final answer
    x = 365,182.83

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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.