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Finding the Fourth Proportional to 518,892.04, 716,277.90 and 446,007.16

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Solution

The fourth proportional to 518,892.04, 716,277.90 and 446,007.16 is: 615,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,892.04 : 716,277.90 = 446,007.16 : x
  2. Step 2: Convert to fraction form
    518,892.04/716,277.90 = 446,007.16/x
  3. Step 3: Cross multiply
    518,892.04x = 716,277.90 × 446,007.16
  4. Step 4: Simplify right side
    518,892.04x = 319,465,071,949.76
  5. Step 5: Solve for x
    x = 319,465,071,949.76/518,892.04
  6. Step 6: Final answer
    x = 615,667.71

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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.