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Finding the Fourth Proportional to 359,714.90, 536,445.75 and 354,888.38

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Solution

The fourth proportional to 359,714.90, 536,445.75 and 354,888.38 is: 529,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,714.90 : 536,445.75 = 354,888.38 : x
  2. Step 2: Convert to fraction form
    359,714.90/536,445.75 = 354,888.38/x
  3. Step 3: Cross multiply
    359,714.90x = 536,445.75 × 354,888.38
  4. Step 4: Simplify right side
    359,714.90x = 190,378,360,493.16
  5. Step 5: Solve for x
    x = 190,378,360,493.16/359,714.90
  6. Step 6: Final answer
    x = 529,247.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.