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Finding the Fourth Proportional to 608,737.50, 840,060.63 and 340,465.50

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Solution

The fourth proportional to 608,737.50, 840,060.63 and 340,465.50 is: 469,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,737.50 : 840,060.63 = 340,465.50 : x
  2. Step 2: Convert to fraction form
    608,737.50/840,060.63 = 340,465.50/x
  3. Step 3: Cross multiply
    608,737.50x = 840,060.63 × 340,465.50
  4. Step 4: Simplify right side
    608,737.50x = 286,011,662,423.27
  5. Step 5: Solve for x
    x = 286,011,662,423.27/608,737.50
  6. Step 6: Final answer
    x = 469,844.00

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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.