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Finding the Fourth Proportional to 695,925.76, 960,840 and 534,492.28

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Solution

The fourth proportional to 695,925.76, 960,840 and 534,492.28 is: 737,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,925.76 : 960,840 = 534,492.28 : x
  2. Step 2: Convert to fraction form
    695,925.76/960,840 = 534,492.28/x
  3. Step 3: Cross multiply
    695,925.76x = 960,840 × 534,492.28
  4. Step 4: Simplify right side
    695,925.76x = 513,561,562,315.20
  5. Step 5: Solve for x
    x = 513,561,562,315.20/695,925.76
  6. Step 6: Final answer
    x = 737,954.52

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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.