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Finding the Fourth Proportional to 985,935, 1,360,590.30 and 533,226

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Solution

The fourth proportional to 985,935, 1,360,590.30 and 533,226 is: 735,851.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,935 : 1,360,590.30 = 533,226 : x
  2. Step 2: Convert to fraction form
    985,935/1,360,590.30 = 533,226/x
  3. Step 3: Cross multiply
    985,935x = 1,360,590.30 × 533,226
  4. Step 4: Simplify right side
    985,935x = 725,502,123,307.80
  5. Step 5: Solve for x
    x = 725,502,123,307.80/985,935
  6. Step 6: Final answer
    x = 735,851.88

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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.