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Finding the Fourth Proportional to 882,809.10, 1,324,277.88 and 369,959.45

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Solution

The fourth proportional to 882,809.10, 1,324,277.88 and 369,959.45 is: 554,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,809.10 : 1,324,277.88 = 369,959.45 : x
  2. Step 2: Convert to fraction form
    882,809.10/1,324,277.88 = 369,959.45/x
  3. Step 3: Cross multiply
    882,809.10x = 1,324,277.88 × 369,959.45
  4. Step 4: Simplify right side
    882,809.10x = 489,929,121,939.48
  5. Step 5: Solve for x
    x = 489,929,121,939.48/882,809.10
  6. Step 6: Final answer
    x = 554,966.10

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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.