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Finding the Fourth Proportional to 228,210.30, 342,315.45 and 175,066.20

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Solution

The fourth proportional to 228,210.30, 342,315.45 and 175,066.20 is: 262,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,210.30 : 342,315.45 = 175,066.20 : x
  2. Step 2: Convert to fraction form
    228,210.30/342,315.45 = 175,066.20/x
  3. Step 3: Cross multiply
    228,210.30x = 342,315.45 × 175,066.20
  4. Step 4: Simplify right side
    228,210.30x = 59,927,865,032.79
  5. Step 5: Solve for x
    x = 59,927,865,032.79/228,210.30
  6. Step 6: Final answer
    x = 262,599.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.