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Finding the Fourth Proportional to 703,970.16, 970,539 and 559,256.10

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Solution

The fourth proportional to 703,970.16, 970,539 and 559,256.10 is: 771,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,970.16 : 970,539 = 559,256.10 : x
  2. Step 2: Convert to fraction form
    703,970.16/970,539 = 559,256.10/x
  3. Step 3: Cross multiply
    703,970.16x = 970,539 × 559,256.10
  4. Step 4: Simplify right side
    703,970.16x = 542,779,856,037.90
  5. Step 5: Solve for x
    x = 542,779,856,037.90/703,970.16
  6. Step 6: Final answer
    x = 771,026.79

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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.