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Finding the Fourth Proportional to 560,595.65, 840,393.53 and 205,526.93

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Solution

The fourth proportional to 560,595.65, 840,393.53 and 205,526.93 is: 308,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,595.65 : 840,393.53 = 205,526.93 : x
  2. Step 2: Convert to fraction form
    560,595.65/840,393.53 = 205,526.93/x
  3. Step 3: Cross multiply
    560,595.65x = 840,393.53 × 205,526.93
  4. Step 4: Simplify right side
    560,595.65x = 172,723,501,185.13
  5. Step 5: Solve for x
    x = 172,723,501,185.13/560,595.65
  6. Step 6: Final answer
    x = 308,107.10

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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.