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Finding the Fourth Proportional to 617,294.40, 926,030.31 and 190,863.45

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Solution

The fourth proportional to 617,294.40, 926,030.31 and 190,863.45 is: 286,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,294.40 : 926,030.31 = 190,863.45 : x
  2. Step 2: Convert to fraction form
    617,294.40/926,030.31 = 190,863.45/x
  3. Step 3: Cross multiply
    617,294.40x = 926,030.31 × 190,863.45
  4. Step 4: Simplify right side
    617,294.40x = 176,745,339,771.17
  5. Step 5: Solve for x
    x = 176,745,339,771.17/617,294.40
  6. Step 6: Final answer
    x = 286,322.60

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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.