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Finding the Fourth Proportional to 514,518.52, 710,060.88 and 310,566.19

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Solution

The fourth proportional to 514,518.52, 710,060.88 and 310,566.19 is: 428,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,518.52 : 710,060.88 = 310,566.19 : x
  2. Step 2: Convert to fraction form
    514,518.52/710,060.88 = 310,566.19/x
  3. Step 3: Cross multiply
    514,518.52x = 710,060.88 × 310,566.19
  4. Step 4: Simplify right side
    514,518.52x = 220,520,902,169.65
  5. Step 5: Solve for x
    x = 220,520,902,169.65/514,518.52
  6. Step 6: Final answer
    x = 428,596.63

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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.