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Finding the Fourth Proportional to 426,990.84, 589,277.88 and 236,000.10

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Solution

The fourth proportional to 426,990.84, 589,277.88 and 236,000.10 is: 325,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,990.84 : 589,277.88 = 236,000.10 : x
  2. Step 2: Convert to fraction form
    426,990.84/589,277.88 = 236,000.10/x
  3. Step 3: Cross multiply
    426,990.84x = 589,277.88 × 236,000.10
  4. Step 4: Simplify right side
    426,990.84x = 139,069,638,607.79
  5. Step 5: Solve for x
    x = 139,069,638,607.79/426,990.84
  6. Step 6: Final answer
    x = 325,697.01

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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.