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Finding the Fourth Proportional to 518,055.62, 714,720.24 and 314,032.14

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Solution

The fourth proportional to 518,055.62, 714,720.24 and 314,032.14 is: 433,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,055.62 : 714,720.24 = 314,032.14 : x
  2. Step 2: Convert to fraction form
    518,055.62/714,720.24 = 314,032.14/x
  3. Step 3: Cross multiply
    518,055.62x = 714,720.24 × 314,032.14
  4. Step 4: Simplify right side
    518,055.62x = 224,445,126,468.51
  5. Step 5: Solve for x
    x = 224,445,126,468.51/518,055.62
  6. Step 6: Final answer
    x = 433,245.23

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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.