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Finding the Fourth Proportional to 341,510.40, 478,814.40 and 341,510.40

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Solution

The fourth proportional to 341,510.40, 478,814.40 and 341,510.40 is: 478,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,510.40 : 478,814.40 = 341,510.40 : x
  2. Step 2: Convert to fraction form
    341,510.40/478,814.40 = 341,510.40/x
  3. Step 3: Cross multiply
    341,510.40x = 478,814.40 × 341,510.40
  4. Step 4: Simplify right side
    341,510.40x = 163,520,097,269.76
  5. Step 5: Solve for x
    x = 163,520,097,269.76/341,510.40
  6. Step 6: Final answer
    x = 478,814.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.