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Finding the Fourth Proportional to 369,484.89, 553,822.46 and 144,598.16

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Solution

The fourth proportional to 369,484.89, 553,822.46 and 144,598.16 is: 216,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,484.89 : 553,822.46 = 144,598.16 : x
  2. Step 2: Convert to fraction form
    369,484.89/553,822.46 = 144,598.16/x
  3. Step 3: Cross multiply
    369,484.89x = 553,822.46 × 144,598.16
  4. Step 4: Simplify right side
    369,484.89x = 80,081,710,699.85
  5. Step 5: Solve for x
    x = 80,081,710,699.85/369,484.89
  6. Step 6: Final answer
    x = 216,738.80

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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.