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Finding the Fourth Proportional to 632,592.08, 872,988 and 346,137.20

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Solution

The fourth proportional to 632,592.08, 872,988 and 346,137.20 is: 477,675.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,592.08 : 872,988 = 346,137.20 : x
  2. Step 2: Convert to fraction form
    632,592.08/872,988 = 346,137.20/x
  3. Step 3: Cross multiply
    632,592.08x = 872,988 × 346,137.20
  4. Step 4: Simplify right side
    632,592.08x = 302,173,621,953.60
  5. Step 5: Solve for x
    x = 302,173,621,953.60/632,592.08
  6. Step 6: Final answer
    x = 477,675.32

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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.