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Finding the Fourth Proportional to 584,312.30, 876,403.65 and 163,630.70

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Solution

The fourth proportional to 584,312.30, 876,403.65 and 163,630.70 is: 245,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,312.30 : 876,403.65 = 163,630.70 : x
  2. Step 2: Convert to fraction form
    584,312.30/876,403.65 = 163,630.70/x
  3. Step 3: Cross multiply
    584,312.30x = 876,403.65 × 163,630.70
  4. Step 4: Simplify right side
    584,312.30x = 143,406,542,732.06
  5. Step 5: Solve for x
    x = 143,406,542,732.06/584,312.30
  6. Step 6: Final answer
    x = 245,427.90

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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.