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Finding the Fourth Proportional to 282,702.80, 424,248.60 and 116,490.80

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Solution

The fourth proportional to 282,702.80, 424,248.60 and 116,490.80 is: 174,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,702.80 : 424,248.60 = 116,490.80 : x
  2. Step 2: Convert to fraction form
    282,702.80/424,248.60 = 116,490.80/x
  3. Step 3: Cross multiply
    282,702.80x = 424,248.60 × 116,490.80
  4. Step 4: Simplify right side
    282,702.80x = 49,421,058,812.88
  5. Step 5: Solve for x
    x = 49,421,058,812.88/282,702.80
  6. Step 6: Final answer
    x = 174,816.30

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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.