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Finding the Fourth Proportional to 531,962.34, 734,106.95 and 290,244.77

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Solution

The fourth proportional to 531,962.34, 734,106.95 and 290,244.77 is: 400,537.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,962.34 : 734,106.95 = 290,244.77 : x
  2. Step 2: Convert to fraction form
    531,962.34/734,106.95 = 290,244.77/x
  3. Step 3: Cross multiply
    531,962.34x = 734,106.95 × 290,244.77
  4. Step 4: Simplify right side
    531,962.34x = 213,070,701,577.71
  5. Step 5: Solve for x
    x = 213,070,701,577.71/531,962.34
  6. Step 6: Final answer
    x = 400,537.19

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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.