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Finding the Fourth Proportional to 555,441.48, 832,492.11 and 255,510.63

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Solution

The fourth proportional to 555,441.48, 832,492.11 and 255,510.63 is: 382,957.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,441.48 : 832,492.11 = 255,510.63 : x
  2. Step 2: Convert to fraction form
    555,441.48/832,492.11 = 255,510.63/x
  3. Step 3: Cross multiply
    555,441.48x = 832,492.11 × 255,510.63
  4. Step 4: Simplify right side
    555,441.48x = 212,710,583,496.13
  5. Step 5: Solve for x
    x = 212,710,583,496.13/555,441.48
  6. Step 6: Final answer
    x = 382,957.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.