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Finding the Fourth Proportional to 560,983.84, 841,475.76 and 140,259.72

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Solution

The fourth proportional to 560,983.84, 841,475.76 and 140,259.72 is: 210,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,983.84 : 841,475.76 = 140,259.72 : x
  2. Step 2: Convert to fraction form
    560,983.84/841,475.76 = 140,259.72/x
  3. Step 3: Cross multiply
    560,983.84x = 841,475.76 × 140,259.72
  4. Step 4: Simplify right side
    560,983.84x = 118,025,154,484.39
  5. Step 5: Solve for x
    x = 118,025,154,484.39/560,983.84
  6. Step 6: Final answer
    x = 210,389.58

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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.