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Finding the Fourth Proportional to 614,466.40, 921,699.60 and 610,529.80

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Solution

The fourth proportional to 614,466.40, 921,699.60 and 610,529.80 is: 915,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,466.40 : 921,699.60 = 610,529.80 : x
  2. Step 2: Convert to fraction form
    614,466.40/921,699.60 = 610,529.80/x
  3. Step 3: Cross multiply
    614,466.40x = 921,699.60 × 610,529.80
  4. Step 4: Simplify right side
    614,466.40x = 562,725,072,448.08
  5. Step 5: Solve for x
    x = 562,725,072,448.08/614,466.40
  6. Step 6: Final answer
    x = 915,794.70

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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.