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Finding the Fourth Proportional to 692,243.94, 955,729.08 and 530,788.80

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Solution

The fourth proportional to 692,243.94, 955,729.08 and 530,788.80 is: 732,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,243.94 : 955,729.08 = 530,788.80 : x
  2. Step 2: Convert to fraction form
    692,243.94/955,729.08 = 530,788.80/x
  3. Step 3: Cross multiply
    692,243.94x = 955,729.08 × 530,788.80
  4. Step 4: Simplify right side
    692,243.94x = 507,290,291,498.30
  5. Step 5: Solve for x
    x = 507,290,291,498.30/692,243.94
  6. Step 6: Final answer
    x = 732,820.13

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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.