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Finding the Fourth Proportional to 540,663.17, 746,085.06 and 298,931.22

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Solution

The fourth proportional to 540,663.17, 746,085.06 and 298,931.22 is: 412,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,663.17 : 746,085.06 = 298,931.22 : x
  2. Step 2: Convert to fraction form
    540,663.17/746,085.06 = 298,931.22/x
  3. Step 3: Cross multiply
    540,663.17x = 746,085.06 × 298,931.22
  4. Step 4: Simplify right side
    540,663.17x = 223,028,117,209.57
  5. Step 5: Solve for x
    x = 223,028,117,209.57/540,663.17
  6. Step 6: Final answer
    x = 412,508.44

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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.