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Finding the Fourth Proportional to 674,751.56, 930,788.52 and 432,764.84

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Solution

The fourth proportional to 674,751.56, 930,788.52 and 432,764.84 is: 596,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,751.56 : 930,788.52 = 432,764.84 : x
  2. Step 2: Convert to fraction form
    674,751.56/930,788.52 = 432,764.84/x
  3. Step 3: Cross multiply
    674,751.56x = 930,788.52 × 432,764.84
  4. Step 4: Simplify right side
    674,751.56x = 402,812,544,931.64
  5. Step 5: Solve for x
    x = 402,812,544,931.64/674,751.56
  6. Step 6: Final answer
    x = 596,979.05

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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.