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Finding the Fourth Proportional to 553,725.70, 830,070.15 and 433,716.10

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Solution

The fourth proportional to 553,725.70, 830,070.15 and 433,716.10 is: 650,168.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,725.70 : 830,070.15 = 433,716.10 : x
  2. Step 2: Convert to fraction form
    553,725.70/830,070.15 = 433,716.10/x
  3. Step 3: Cross multiply
    553,725.70x = 830,070.15 × 433,716.10
  4. Step 4: Simplify right side
    553,725.70x = 360,014,788,184.42
  5. Step 5: Solve for x
    x = 360,014,788,184.42/553,725.70
  6. Step 6: Final answer
    x = 650,168.10

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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.