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Finding the Fourth Proportional to 560,881.02, 841,441.13 and 257,128.59

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Solution

The fourth proportional to 560,881.02, 841,441.13 and 257,128.59 is: 385,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,881.02 : 841,441.13 = 257,128.59 : x
  2. Step 2: Convert to fraction form
    560,881.02/841,441.13 = 257,128.59/x
  3. Step 3: Cross multiply
    560,881.02x = 841,441.13 × 257,128.59
  4. Step 4: Simplify right side
    560,881.02x = 216,358,574,158.90
  5. Step 5: Solve for x
    x = 216,358,574,158.90/560,881.02
  6. Step 6: Final answer
    x = 385,747.72

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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.