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Finding the Fourth Proportional to 637,901.80, 956,852.70 and 533,703.40

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Solution

The fourth proportional to 637,901.80, 956,852.70 and 533,703.40 is: 800,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,901.80 : 956,852.70 = 533,703.40 : x
  2. Step 2: Convert to fraction form
    637,901.80/956,852.70 = 533,703.40/x
  3. Step 3: Cross multiply
    637,901.80x = 956,852.70 × 533,703.40
  4. Step 4: Simplify right side
    637,901.80x = 510,675,539,289.18
  5. Step 5: Solve for x
    x = 510,675,539,289.18/637,901.80
  6. Step 6: Final answer
    x = 800,555.10

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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.