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Finding the Fourth Proportional to 852,698.32, 1,176,727.44 and 470,728.24

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Solution

The fourth proportional to 852,698.32, 1,176,727.44 and 470,728.24 is: 649,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,698.32 : 1,176,727.44 = 470,728.24 : x
  2. Step 2: Convert to fraction form
    852,698.32/1,176,727.44 = 470,728.24/x
  3. Step 3: Cross multiply
    852,698.32x = 1,176,727.44 × 470,728.24
  4. Step 4: Simplify right side
    852,698.32x = 553,918,836,790.91
  5. Step 5: Solve for x
    x = 553,918,836,790.91/852,698.32
  6. Step 6: Final answer
    x = 649,607.05

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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.