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Finding the Fourth Proportional to 600,897.48, 829,800.64 and 386,410.20

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Solution

The fourth proportional to 600,897.48, 829,800.64 and 386,410.20 is: 533,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,897.48 : 829,800.64 = 386,410.20 : x
  2. Step 2: Convert to fraction form
    600,897.48/829,800.64 = 386,410.20/x
  3. Step 3: Cross multiply
    600,897.48x = 829,800.64 × 386,410.20
  4. Step 4: Simplify right side
    600,897.48x = 320,643,431,262.53
  5. Step 5: Solve for x
    x = 320,643,431,262.53/600,897.48
  6. Step 6: Final answer
    x = 533,607.55

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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.