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Finding the Fourth Proportional to 532,627.65, 735,030.18 and 290,905.83

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Solution

The fourth proportional to 532,627.65, 735,030.18 and 290,905.83 is: 401,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,627.65 : 735,030.18 = 290,905.83 : x
  2. Step 2: Convert to fraction form
    532,627.65/735,030.18 = 290,905.83/x
  3. Step 3: Cross multiply
    532,627.65x = 735,030.18 × 290,905.83
  4. Step 4: Simplify right side
    532,627.65x = 213,824,564,587.95
  5. Step 5: Solve for x
    x = 213,824,564,587.95/532,627.65
  6. Step 6: Final answer
    x = 401,452.24

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1.5x scale

Why These Related Problems?

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