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Finding the Fourth Proportional to 656,445.40, 984,653.70 and 183,117.40

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Solution

The fourth proportional to 656,445.40, 984,653.70 and 183,117.40 is: 274,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,445.40 : 984,653.70 = 183,117.40 : x
  2. Step 2: Convert to fraction form
    656,445.40/984,653.70 = 183,117.40/x
  3. Step 3: Cross multiply
    656,445.40x = 984,653.70 × 183,117.40
  4. Step 4: Simplify right side
    656,445.40x = 180,307,225,444.38
  5. Step 5: Solve for x
    x = 180,307,225,444.38/656,445.40
  6. Step 6: Final answer
    x = 274,672.08

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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.