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Finding the Fourth Proportional to 553,323.60, 829,985.40 and 553,323.60

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Solution

The fourth proportional to 553,323.60, 829,985.40 and 553,323.60 is: 829,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,323.60 : 829,985.40 = 553,323.60 : x
  2. Step 2: Convert to fraction form
    553,323.60/829,985.40 = 553,323.60/x
  3. Step 3: Cross multiply
    553,323.60x = 829,985.40 × 553,323.60
  4. Step 4: Simplify right side
    553,323.60x = 459,250,509,475.44
  5. Step 5: Solve for x
    x = 459,250,509,475.44/553,323.60
  6. Step 6: Final answer
    x = 829,985.40

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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.