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Finding the Fourth Proportional to 664,492.50, 996,752.88 and 238,056.08

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Solution

The fourth proportional to 664,492.50, 996,752.88 and 238,056.08 is: 357,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,492.50 : 996,752.88 = 238,056.08 : x
  2. Step 2: Convert to fraction form
    664,492.50/996,752.88 = 238,056.08/x
  3. Step 3: Cross multiply
    664,492.50x = 996,752.88 × 238,056.08
  4. Step 4: Simplify right side
    664,492.50x = 237,283,083,341.51
  5. Step 5: Solve for x
    x = 237,283,083,341.51/664,492.50
  6. Step 6: Final answer
    x = 357,089.18

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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.