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Finding the Fourth Proportional to 535,315.60, 802,195.80 and 456,000.40

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Solution

The fourth proportional to 535,315.60, 802,195.80 and 456,000.40 is: 683,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,315.60 : 802,195.80 = 456,000.40 : x
  2. Step 2: Convert to fraction form
    535,315.60/802,195.80 = 456,000.40/x
  3. Step 3: Cross multiply
    535,315.60x = 802,195.80 × 456,000.40
  4. Step 4: Simplify right side
    535,315.60x = 365,801,605,678.32
  5. Step 5: Solve for x
    x = 365,801,605,678.32/535,315.60
  6. Step 6: Final answer
    x = 683,338.21

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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.