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Finding the Fourth Proportional to 369,116.60, 552,362.70 and 256,267.40

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Solution

The fourth proportional to 369,116.60, 552,362.70 and 256,267.40 is: 383,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,116.60 : 552,362.70 = 256,267.40 : x
  2. Step 2: Convert to fraction form
    369,116.60/552,362.70 = 256,267.40/x
  3. Step 3: Cross multiply
    369,116.60x = 552,362.70 × 256,267.40
  4. Step 4: Simplify right side
    369,116.60x = 141,552,552,985.98
  5. Step 5: Solve for x
    x = 141,552,552,985.98/369,116.60
  6. Step 6: Final answer
    x = 383,490.08

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1.5x scale

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.