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Finding the Fourth Proportional to 1,569,798.70, 2,354,870.85 and 572,742.70

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Solution

The fourth proportional to 1,569,798.70, 2,354,870.85 and 572,742.70 is: 859,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,569,798.70 : 2,354,870.85 = 572,742.70 : x
  2. Step 2: Convert to fraction form
    1,569,798.70/2,354,870.85 = 572,742.70/x
  3. Step 3: Cross multiply
    1,569,798.70x = 2,354,870.85 × 572,742.70
  4. Step 4: Simplify right side
    1,569,798.70x = 1,348,735,088,780.30
  5. Step 5: Solve for x
    x = 1,348,735,088,780.30/1,569,798.70
  6. Step 6: Final answer
    x = 859,177.10

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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.