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Finding the Fourth Proportional to 924,131, 1,275,304.62 and 500,195

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Solution

The fourth proportional to 924,131, 1,275,304.62 and 500,195 is: 690,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,131 : 1,275,304.62 = 500,195 : x
  2. Step 2: Convert to fraction form
    924,131/1,275,304.62 = 500,195/x
  3. Step 3: Cross multiply
    924,131x = 1,275,304.62 × 500,195
  4. Step 4: Simplify right side
    924,131x = 637,900,994,400.90
  5. Step 5: Solve for x
    x = 637,900,994,400.90/924,131
  6. Step 6: Final answer
    x = 690,271.18

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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.