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Finding the Fourth Proportional to 653,825.54, 902,307.12 and 367,346.18

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Solution

The fourth proportional to 653,825.54, 902,307.12 and 367,346.18 is: 506,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,825.54 : 902,307.12 = 367,346.18 : x
  2. Step 2: Convert to fraction form
    653,825.54/902,307.12 = 367,346.18/x
  3. Step 3: Cross multiply
    653,825.54x = 902,307.12 × 367,346.18
  4. Step 4: Simplify right side
    653,825.54x = 331,459,073,718.80
  5. Step 5: Solve for x
    x = 331,459,073,718.80/653,825.54
  6. Step 6: Final answer
    x = 506,953.39

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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.