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Finding the Fourth Proportional to 472,437.50, 708,690.90 and 202,302.18

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Solution

The fourth proportional to 472,437.50, 708,690.90 and 202,302.18 is: 303,468.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,437.50 : 708,690.90 = 202,302.18 : x
  2. Step 2: Convert to fraction form
    472,437.50/708,690.90 = 202,302.18/x
  3. Step 3: Cross multiply
    472,437.50x = 708,690.90 × 202,302.18
  4. Step 4: Simplify right side
    472,437.50x = 143,369,714,016.16
  5. Step 5: Solve for x
    x = 143,369,714,016.16/472,437.50
  6. Step 6: Final answer
    x = 303,468.11

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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.