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Finding the Fourth Proportional to 368,701.52, 553,038.35 and 152,554.50

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Solution

The fourth proportional to 368,701.52, 553,038.35 and 152,554.50 is: 228,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,701.52 : 553,038.35 = 152,554.50 : x
  2. Step 2: Convert to fraction form
    368,701.52/553,038.35 = 152,554.50/x
  3. Step 3: Cross multiply
    368,701.52x = 553,038.35 × 152,554.50
  4. Step 4: Simplify right side
    368,701.52x = 84,368,488,202.30
  5. Step 5: Solve for x
    x = 84,368,488,202.30/368,701.52
  6. Step 6: Final answer
    x = 228,825.99

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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.