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Finding the Fourth Proportional to 359,798.53, 496,529.71 and 198,663.76

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Solution

The fourth proportional to 359,798.53, 496,529.71 and 198,663.76 is: 274,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,798.53 : 496,529.71 = 198,663.76 : x
  2. Step 2: Convert to fraction form
    359,798.53/496,529.71 = 198,663.76/x
  3. Step 3: Cross multiply
    359,798.53x = 496,529.71 × 198,663.76
  4. Step 4: Simplify right side
    359,798.53x = 98,642,459,140.31
  5. Step 5: Solve for x
    x = 98,642,459,140.31/359,798.53
  6. Step 6: Final answer
    x = 274,160.26

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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.