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Finding the Fourth Proportional to 404,482.60, 607,598.70 and 286,384.60

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Solution

The fourth proportional to 404,482.60, 607,598.70 and 286,384.60 is: 430,196.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,482.60 : 607,598.70 = 286,384.60 : x
  2. Step 2: Convert to fraction form
    404,482.60/607,598.70 = 286,384.60/x
  3. Step 3: Cross multiply
    404,482.60x = 607,598.70 × 286,384.60
  4. Step 4: Simplify right side
    404,482.60x = 174,006,910,660.02
  5. Step 5: Solve for x
    x = 174,006,910,660.02/404,482.60
  6. Step 6: Final answer
    x = 430,196.28

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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.