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Finding the Fourth Proportional to 608,548.20, 911,510.10 and 608,548.20

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Solution

The fourth proportional to 608,548.20, 911,510.10 and 608,548.20 is: 911,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,548.20 : 911,510.10 = 608,548.20 : x
  2. Step 2: Convert to fraction form
    608,548.20/911,510.10 = 608,548.20/x
  3. Step 3: Cross multiply
    608,548.20x = 911,510.10 × 608,548.20
  4. Step 4: Simplify right side
    608,548.20x = 554,697,830,636.82
  5. Step 5: Solve for x
    x = 554,697,830,636.82/608,548.20
  6. Step 6: Final answer
    x = 911,510.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.