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Finding the Fourth Proportional to 359,358.48, 496,077.84 and 256,059.36

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Solution

The fourth proportional to 359,358.48, 496,077.84 and 256,059.36 is: 353,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,358.48 : 496,077.84 = 256,059.36 : x
  2. Step 2: Convert to fraction form
    359,358.48/496,077.84 = 256,059.36/x
  3. Step 3: Cross multiply
    359,358.48x = 496,077.84 × 256,059.36
  4. Step 4: Simplify right side
    359,358.48x = 127,025,374,220.58
  5. Step 5: Solve for x
    x = 127,025,374,220.58/359,358.48
  6. Step 6: Final answer
    x = 353,478.16

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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.