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Finding the Fourth Proportional to 530,510.64, 732,762.24 and 385,084.08

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Solution

The fourth proportional to 530,510.64, 732,762.24 and 385,084.08 is: 531,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,510.64 : 732,762.24 = 385,084.08 : x
  2. Step 2: Convert to fraction form
    530,510.64/732,762.24 = 385,084.08/x
  3. Step 3: Cross multiply
    530,510.64x = 732,762.24 × 385,084.08
  4. Step 4: Simplify right side
    530,510.64x = 282,175,073,049.14
  5. Step 5: Solve for x
    x = 282,175,073,049.14/530,510.64
  6. Step 6: Final answer
    x = 531,893.33

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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.