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Finding the Fourth Proportional to 384,802.03, 531,023.07 and 215,036.29

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Solution

The fourth proportional to 384,802.03, 531,023.07 and 215,036.29 is: 296,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,802.03 : 531,023.07 = 215,036.29 : x
  2. Step 2: Convert to fraction form
    384,802.03/531,023.07 = 215,036.29/x
  3. Step 3: Cross multiply
    384,802.03x = 531,023.07 × 215,036.29
  4. Step 4: Simplify right side
    384,802.03x = 114,189,230,877.21
  5. Step 5: Solve for x
    x = 114,189,230,877.21/384,802.03
  6. Step 6: Final answer
    x = 296,748.00

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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.