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Finding the Fourth Proportional to 359,386.80, 539,080.20 and 336,058.80

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Solution

The fourth proportional to 359,386.80, 539,080.20 and 336,058.80 is: 504,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,386.80 : 539,080.20 = 336,058.80 : x
  2. Step 2: Convert to fraction form
    359,386.80/539,080.20 = 336,058.80/x
  3. Step 3: Cross multiply
    359,386.80x = 539,080.20 × 336,058.80
  4. Step 4: Simplify right side
    359,386.80x = 181,162,645,115.76
  5. Step 5: Solve for x
    x = 181,162,645,115.76/359,386.80
  6. Step 6: Final answer
    x = 504,088.20

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1.5x scale

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.