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Finding the Fourth Proportional to 270,938.16, 406,402.68 and 73,946.16

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Solution

The fourth proportional to 270,938.16, 406,402.68 and 73,946.16 is: 110,918.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,938.16 : 406,402.68 = 73,946.16 : x
  2. Step 2: Convert to fraction form
    270,938.16/406,402.68 = 73,946.16/x
  3. Step 3: Cross multiply
    270,938.16x = 406,402.68 × 73,946.16
  4. Step 4: Simplify right side
    270,938.16x = 30,051,917,599.71
  5. Step 5: Solve for x
    x = 30,051,917,599.71/270,938.16
  6. Step 6: Final answer
    x = 110,918.00

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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.