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Finding the Fourth Proportional to 600,664.90, 828,835.74 and 358,896.40

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Solution

The fourth proportional to 600,664.90, 828,835.74 and 358,896.40 is: 495,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,664.90 : 828,835.74 = 358,896.40 : x
  2. Step 2: Convert to fraction form
    600,664.90/828,835.74 = 358,896.40/x
  3. Step 3: Cross multiply
    600,664.90x = 828,835.74 × 358,896.40
  4. Step 4: Simplify right side
    600,664.90x = 297,466,163,277.34
  5. Step 5: Solve for x
    x = 297,466,163,277.34/600,664.90
  6. Step 6: Final answer
    x = 495,228.14

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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.