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Finding the Fourth Proportional to 506,579.79, 759,869.52 and 190,962.90

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Solution

The fourth proportional to 506,579.79, 759,869.52 and 190,962.90 is: 286,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,579.79 : 759,869.52 = 190,962.90 : x
  2. Step 2: Convert to fraction form
    506,579.79/759,869.52 = 190,962.90/x
  3. Step 3: Cross multiply
    506,579.79x = 759,869.52 × 190,962.90
  4. Step 4: Simplify right side
    506,579.79x = 145,106,887,160.81
  5. Step 5: Solve for x
    x = 145,106,887,160.81/506,579.79
  6. Step 6: Final answer
    x = 286,444.29

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Similar ratio
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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.