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Finding the Fourth Proportional to 514,082.03, 710,409.15 and 386,536.19

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Solution

The fourth proportional to 514,082.03, 710,409.15 and 386,536.19 is: 534,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,082.03 : 710,409.15 = 386,536.19 : x
  2. Step 2: Convert to fraction form
    514,082.03/710,409.15 = 386,536.19/x
  3. Step 3: Cross multiply
    514,082.03x = 710,409.15 × 386,536.19
  4. Step 4: Simplify right side
    514,082.03x = 274,598,842,630.09
  5. Step 5: Solve for x
    x = 274,598,842,630.09/514,082.03
  6. Step 6: Final answer
    x = 534,153.75

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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.