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Finding the Fourth Proportional to 530,308.16, 732,563.21 and 510,622.05

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Solution

The fourth proportional to 530,308.16, 732,563.21 and 510,622.05 is: 705,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,308.16 : 732,563.21 = 510,622.05 : x
  2. Step 2: Convert to fraction form
    530,308.16/732,563.21 = 510,622.05/x
  3. Step 3: Cross multiply
    530,308.16x = 732,563.21 × 510,622.05
  4. Step 4: Simplify right side
    530,308.16x = 374,062,928,044.78
  5. Step 5: Solve for x
    x = 374,062,928,044.78/530,308.16
  6. Step 6: Final answer
    x = 705,368.98

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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.