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Finding the Fourth Proportional to 532,681.60, 735,095.64 and 290,964.08

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Solution

The fourth proportional to 532,681.60, 735,095.64 and 290,964.08 is: 401,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,681.60 : 735,095.64 = 290,964.08 : x
  2. Step 2: Convert to fraction form
    532,681.60/735,095.64 = 290,964.08/x
  3. Step 3: Cross multiply
    532,681.60x = 735,095.64 × 290,964.08
  4. Step 4: Simplify right side
    532,681.60x = 213,886,426,604.61
  5. Step 5: Solve for x
    x = 213,886,426,604.61/532,681.60
  6. Step 6: Final answer
    x = 401,527.72

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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.