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Finding the Fourth Proportional to 464,088.63, 696,133.55 and 127,132.28

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Solution

The fourth proportional to 464,088.63, 696,133.55 and 127,132.28 is: 190,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,088.63 : 696,133.55 = 127,132.28 : x
  2. Step 2: Convert to fraction form
    464,088.63/696,133.55 = 127,132.28/x
  3. Step 3: Cross multiply
    464,088.63x = 696,133.55 × 127,132.28
  4. Step 4: Simplify right side
    464,088.63x = 88,501,042,233.16
  5. Step 5: Solve for x
    x = 88,501,042,233.16/464,088.63
  6. Step 6: Final answer
    x = 190,698.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.