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Finding the Fourth Proportional to 460,100.40, 688,595.40 and 404,113.20

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Solution

The fourth proportional to 460,100.40, 688,595.40 and 404,113.20 is: 604,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,100.40 : 688,595.40 = 404,113.20 : x
  2. Step 2: Convert to fraction form
    460,100.40/688,595.40 = 404,113.20/x
  3. Step 3: Cross multiply
    460,100.40x = 688,595.40 × 404,113.20
  4. Step 4: Simplify right side
    460,100.40x = 278,270,490,599.28
  5. Step 5: Solve for x
    x = 278,270,490,599.28/460,100.40
  6. Step 6: Final answer
    x = 604,803.84

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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.