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Finding the Fourth Proportional to 319,000.68, 440,210.30 and 175,763.12

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Solution

The fourth proportional to 319,000.68, 440,210.30 and 175,763.12 is: 242,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,000.68 : 440,210.30 = 175,763.12 : x
  2. Step 2: Convert to fraction form
    319,000.68/440,210.30 = 175,763.12/x
  3. Step 3: Cross multiply
    319,000.68x = 440,210.30 × 175,763.12
  4. Step 4: Simplify right side
    319,000.68x = 77,372,732,704.27
  5. Step 5: Solve for x
    x = 77,372,732,704.27/319,000.68
  6. Step 6: Final answer
    x = 242,547.23

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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.