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Finding the Fourth Proportional to 524,000.80, 786,001.20 and 224,430.40

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Solution

The fourth proportional to 524,000.80, 786,001.20 and 224,430.40 is: 336,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,000.80 : 786,001.20 = 224,430.40 : x
  2. Step 2: Convert to fraction form
    524,000.80/786,001.20 = 224,430.40/x
  3. Step 3: Cross multiply
    524,000.80x = 786,001.20 × 224,430.40
  4. Step 4: Simplify right side
    524,000.80x = 176,402,563,716.48
  5. Step 5: Solve for x
    x = 176,402,563,716.48/524,000.80
  6. Step 6: Final answer
    x = 336,645.60

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Similar ratio
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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.