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Finding the Fourth Proportional to 531,123.84, 732,731.52 and 370,072.32

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Solution

The fourth proportional to 531,123.84, 732,731.52 and 370,072.32 is: 510,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,123.84 : 732,731.52 = 370,072.32 : x
  2. Step 2: Convert to fraction form
    531,123.84/732,731.52 = 370,072.32/x
  3. Step 3: Cross multiply
    531,123.84x = 732,731.52 × 370,072.32
  4. Step 4: Simplify right side
    531,123.84x = 271,163,653,543.53
  5. Step 5: Solve for x
    x = 271,163,653,543.53/531,123.84
  6. Step 6: Final answer
    x = 510,546.94

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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.