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Finding the Fourth Proportional to 474,384.33, 654,864.14 and 302,532.91

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Solution

The fourth proportional to 474,384.33, 654,864.14 and 302,532.91 is: 417,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,384.33 : 654,864.14 = 302,532.91 : x
  2. Step 2: Convert to fraction form
    474,384.33/654,864.14 = 302,532.91/x
  3. Step 3: Cross multiply
    474,384.33x = 654,864.14 × 302,532.91
  4. Step 4: Simplify right side
    474,384.33x = 198,117,953,048.02
  5. Step 5: Solve for x
    x = 198,117,953,048.02/474,384.33
  6. Step 6: Final answer
    x = 417,631.74

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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.