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Finding the Fourth Proportional to 846,878.60, 1,168,693.60 and 459,693.76

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Solution

The fourth proportional to 846,878.60, 1,168,693.60 and 459,693.76 is: 634,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,878.60 : 1,168,693.60 = 459,693.76 : x
  2. Step 2: Convert to fraction form
    846,878.60/1,168,693.60 = 459,693.76/x
  3. Step 3: Cross multiply
    846,878.60x = 1,168,693.60 × 459,693.76
  4. Step 4: Simplify right side
    846,878.60x = 537,241,155,271.94
  5. Step 5: Solve for x
    x = 537,241,155,271.94/846,878.60
  6. Step 6: Final answer
    x = 634,378.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.