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Finding the Fourth Proportional to 359,659.69, 539,501.12 and 188,838.13

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Solution

The fourth proportional to 359,659.69, 539,501.12 and 188,838.13 is: 283,263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,659.69 : 539,501.12 = 188,838.13 : x
  2. Step 2: Convert to fraction form
    359,659.69/539,501.12 = 188,838.13/x
  3. Step 3: Cross multiply
    359,659.69x = 539,501.12 × 188,838.13
  4. Step 4: Simplify right side
    359,659.69x = 101,878,382,633.71
  5. Step 5: Solve for x
    x = 101,878,382,633.71/359,659.69
  6. Step 6: Final answer
    x = 283,263.28

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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.