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Finding the Fourth Proportional to 488,424.19, 732,045.78 and 251,637.70

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Solution

The fourth proportional to 488,424.19, 732,045.78 and 251,637.70 is: 377,152.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,424.19 : 732,045.78 = 251,637.70 : x
  2. Step 2: Convert to fraction form
    488,424.19/732,045.78 = 251,637.70/x
  3. Step 3: Cross multiply
    488,424.19x = 732,045.78 × 251,637.70
  4. Step 4: Simplify right side
    488,424.19x = 184,210,316,373.91
  5. Step 5: Solve for x
    x = 184,210,316,373.91/488,424.19
  6. Step 6: Final answer
    x = 377,152.32

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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.