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Finding the Fourth Proportional to 675,547.99, 932,247.79 and 385,150.32

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Solution

The fourth proportional to 675,547.99, 932,247.79 and 385,150.32 is: 531,502.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,547.99 : 932,247.79 = 385,150.32 : x
  2. Step 2: Convert to fraction form
    675,547.99/932,247.79 = 385,150.32/x
  3. Step 3: Cross multiply
    675,547.99x = 932,247.79 × 385,150.32
  4. Step 4: Simplify right side
    675,547.99x = 359,055,533,674.92
  5. Step 5: Solve for x
    x = 359,055,533,674.92/675,547.99
  6. Step 6: Final answer
    x = 531,502.63

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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.