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Finding the Fourth Proportional to 562,399.71, 776,111.58 and 307,750.92

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Solution

The fourth proportional to 562,399.71, 776,111.58 and 307,750.92 is: 424,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,399.71 : 776,111.58 = 307,750.92 : x
  2. Step 2: Convert to fraction form
    562,399.71/776,111.58 = 307,750.92/x
  3. Step 3: Cross multiply
    562,399.71x = 776,111.58 × 307,750.92
  4. Step 4: Simplify right side
    562,399.71x = 238,849,052,767.65
  5. Step 5: Solve for x
    x = 238,849,052,767.65/562,399.71
  6. Step 6: Final answer
    x = 424,696.26

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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.