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Finding the Fourth Proportional to 553,633.80, 829,068.30 and 365,627.40

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Solution

The fourth proportional to 553,633.80, 829,068.30 and 365,627.40 is: 547,528.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,633.80 : 829,068.30 = 365,627.40 : x
  2. Step 2: Convert to fraction form
    553,633.80/829,068.30 = 365,627.40/x
  3. Step 3: Cross multiply
    553,633.80x = 829,068.30 × 365,627.40
  4. Step 4: Simplify right side
    553,633.80x = 303,130,086,951.42
  5. Step 5: Solve for x
    x = 303,130,086,951.42/553,633.80
  6. Step 6: Final answer
    x = 547,528.14

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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.