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Finding the Fourth Proportional to 922,356.84, 1,383,955.60 and 473,392.96

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Solution

The fourth proportional to 922,356.84, 1,383,955.60 and 473,392.96 is: 710,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,356.84 : 1,383,955.60 = 473,392.96 : x
  2. Step 2: Convert to fraction form
    922,356.84/1,383,955.60 = 473,392.96/x
  3. Step 3: Cross multiply
    922,356.84x = 1,383,955.60 × 473,392.96
  4. Step 4: Simplify right side
    922,356.84x = 655,154,837,992.58
  5. Step 5: Solve for x
    x = 655,154,837,992.58/922,356.84
  6. Step 6: Final answer
    x = 710,305.18

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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.