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Finding the Fourth Proportional to 357,434.69, 492,986.54 and 242,801.71

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Solution

The fourth proportional to 357,434.69, 492,986.54 and 242,801.71 is: 334,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,434.69 : 492,986.54 = 242,801.71 : x
  2. Step 2: Convert to fraction form
    357,434.69/492,986.54 = 242,801.71/x
  3. Step 3: Cross multiply
    357,434.69x = 492,986.54 × 242,801.71
  4. Step 4: Simplify right side
    357,434.69x = 119,697,974,293.52
  5. Step 5: Solve for x
    x = 119,697,974,293.52/357,434.69
  6. Step 6: Final answer
    x = 334,880.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.