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Finding the Fourth Proportional to 530,885, 732,621.34 and 292,421

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Solution

The fourth proportional to 530,885, 732,621.34 and 292,421 is: 403,541.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,885 : 732,621.34 = 292,421 : x
  2. Step 2: Convert to fraction form
    530,885/732,621.34 = 292,421/x
  3. Step 3: Cross multiply
    530,885x = 732,621.34 × 292,421
  4. Step 4: Simplify right side
    530,885x = 214,233,864,864.14
  5. Step 5: Solve for x
    x = 214,233,864,864.14/530,885
  6. Step 6: Final answer
    x = 403,541.00

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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.