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Finding the Fourth Proportional to 224,594.78, 310,066.92 and 155,784.47

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Solution

The fourth proportional to 224,594.78, 310,066.92 and 155,784.47 is: 215,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,594.78 : 310,066.92 = 155,784.47 : x
  2. Step 2: Convert to fraction form
    224,594.78/310,066.92 = 155,784.47/x
  3. Step 3: Cross multiply
    224,594.78x = 310,066.92 × 155,784.47
  4. Step 4: Simplify right side
    224,594.78x = 48,303,609,246.40
  5. Step 5: Solve for x
    x = 48,303,609,246.40/224,594.78
  6. Step 6: Final answer
    x = 215,070.05

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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.