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Finding the Fourth Proportional to 632,516.51, 872,880.81 and 346,041.38

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Solution

The fourth proportional to 632,516.51, 872,880.81 and 346,041.38 is: 477,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,516.51 : 872,880.81 = 346,041.38 : x
  2. Step 2: Convert to fraction form
    632,516.51/872,880.81 = 346,041.38/x
  3. Step 3: Cross multiply
    632,516.51x = 872,880.81 × 346,041.38
  4. Step 4: Simplify right side
    632,516.51x = 302,052,880,952.47
  5. Step 5: Solve for x
    x = 302,052,880,952.47/632,516.51
  6. Step 6: Final answer
    x = 477,541.49

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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.