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Finding the Fourth Proportional to 535,330.60, 802,218.30 and 456,015.40

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Solution

The fourth proportional to 535,330.60, 802,218.30 and 456,015.40 is: 683,360.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,330.60 : 802,218.30 = 456,015.40 : x
  2. Step 2: Convert to fraction form
    535,330.60/802,218.30 = 456,015.40/x
  3. Step 3: Cross multiply
    535,330.60x = 802,218.30 × 456,015.40
  4. Step 4: Simplify right side
    535,330.60x = 365,823,898,961.82
  5. Step 5: Solve for x
    x = 365,823,898,961.82/535,330.60
  6. Step 6: Final answer
    x = 683,360.71

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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.