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Finding the Fourth Proportional to 536,693.76, 740,707.32 and 346,261.08

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Solution

The fourth proportional to 536,693.76, 740,707.32 and 346,261.08 is: 477,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,693.76 : 740,707.32 = 346,261.08 : x
  2. Step 2: Convert to fraction form
    536,693.76/740,707.32 = 346,261.08/x
  3. Step 3: Cross multiply
    536,693.76x = 740,707.32 × 346,261.08
  4. Step 4: Simplify right side
    536,693.76x = 256,478,116,587.11
  5. Step 5: Solve for x
    x = 256,478,116,587.11/536,693.76
  6. Step 6: Final answer
    x = 477,885.41

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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.