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Finding the Fourth Proportional to 246,417.48, 369,671.84 and 77,980.20

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Solution

The fourth proportional to 246,417.48, 369,671.84 and 77,980.20 is: 116,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,417.48 : 369,671.84 = 77,980.20 : x
  2. Step 2: Convert to fraction form
    246,417.48/369,671.84 = 77,980.20/x
  3. Step 3: Cross multiply
    246,417.48x = 369,671.84 × 77,980.20
  4. Step 4: Simplify right side
    246,417.48x = 28,827,084,017.57
  5. Step 5: Solve for x
    x = 28,827,084,017.57/246,417.48
  6. Step 6: Final answer
    x = 116,984.74

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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.