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Finding the Fourth Proportional to 534,047.40, 736,967.05 and 304,678.94

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Solution

The fourth proportional to 534,047.40, 736,967.05 and 304,678.94 is: 420,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,047.40 : 736,967.05 = 304,678.94 : x
  2. Step 2: Convert to fraction form
    534,047.40/736,967.05 = 304,678.94/x
  3. Step 3: Cross multiply
    534,047.40x = 736,967.05 × 304,678.94
  4. Step 4: Simplify right side
    534,047.40x = 224,538,335,162.39
  5. Step 5: Solve for x
    x = 224,538,335,162.39/534,047.40
  6. Step 6: Final answer
    x = 420,446.45

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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.