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Finding the Fourth Proportional to 464,208.04, 640,709.06 and 282,882.52

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Solution

The fourth proportional to 464,208.04, 640,709.06 and 282,882.52 is: 390,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,208.04 : 640,709.06 = 282,882.52 : x
  2. Step 2: Convert to fraction form
    464,208.04/640,709.06 = 282,882.52/x
  3. Step 3: Cross multiply
    464,208.04x = 640,709.06 × 282,882.52
  4. Step 4: Simplify right side
    464,208.04x = 181,245,393,479.63
  5. Step 5: Solve for x
    x = 181,245,393,479.63/464,208.04
  6. Step 6: Final answer
    x = 390,440.01

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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.