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Finding the Fourth Proportional to 359,703.04, 496,417.68 and 198,589.12

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Solution

The fourth proportional to 359,703.04, 496,417.68 and 198,589.12 is: 274,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,703.04 : 496,417.68 = 198,589.12 : x
  2. Step 2: Convert to fraction form
    359,703.04/496,417.68 = 198,589.12/x
  3. Step 3: Cross multiply
    359,703.04x = 496,417.68 × 198,589.12
  4. Step 4: Simplify right side
    359,703.04x = 98,583,150,223.64
  5. Step 5: Solve for x
    x = 98,583,150,223.64/359,703.04
  6. Step 6: Final answer
    x = 274,068.16

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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.