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Finding the Fourth Proportional to 456,756.66, 630,315.54 and 252,803.52

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Solution

The fourth proportional to 456,756.66, 630,315.54 and 252,803.52 is: 348,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,756.66 : 630,315.54 = 252,803.52 : x
  2. Step 2: Convert to fraction form
    456,756.66/630,315.54 = 252,803.52/x
  3. Step 3: Cross multiply
    456,756.66x = 630,315.54 × 252,803.52
  4. Step 4: Simplify right side
    456,756.66x = 159,345,987,222.70
  5. Step 5: Solve for x
    x = 159,345,987,222.70/456,756.66
  6. Step 6: Final answer
    x = 348,864.07

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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.