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Finding the Fourth Proportional to 495,546.61, 683,796.28 and 291,552.67

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Solution

The fourth proportional to 495,546.61, 683,796.28 and 291,552.67 is: 402,308.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,546.61 : 683,796.28 = 291,552.67 : x
  2. Step 2: Convert to fraction form
    495,546.61/683,796.28 = 291,552.67/x
  3. Step 3: Cross multiply
    495,546.61x = 683,796.28 × 291,552.67
  4. Step 4: Simplify right side
    495,546.61x = 199,362,627,996.24
  5. Step 5: Solve for x
    x = 199,362,627,996.24/495,546.61
  6. Step 6: Final answer
    x = 402,308.53

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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.