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Finding the Fourth Proportional to 650,417.94, 974,364.53 and 479,328.93

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Solution

The fourth proportional to 650,417.94, 974,364.53 and 479,328.93 is: 718,063.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,417.94 : 974,364.53 = 479,328.93 : x
  2. Step 2: Convert to fraction form
    650,417.94/974,364.53 = 479,328.93/x
  3. Step 3: Cross multiply
    650,417.94x = 974,364.53 × 479,328.93
  4. Step 4: Simplify right side
    650,417.94x = 467,041,105,198.21
  5. Step 5: Solve for x
    x = 467,041,105,198.21/650,417.94
  6. Step 6: Final answer
    x = 718,063.07

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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.