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Finding the Fourth Proportional to 346,425.48, 519,671.36 and 97,106.76

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Solution

The fourth proportional to 346,425.48, 519,671.36 and 97,106.76 is: 145,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,425.48 : 519,671.36 = 97,106.76 : x
  2. Step 2: Convert to fraction form
    346,425.48/519,671.36 = 97,106.76/x
  3. Step 3: Cross multiply
    346,425.48x = 519,671.36 × 97,106.76
  4. Step 4: Simplify right side
    346,425.48x = 50,463,602,034.39
  5. Step 5: Solve for x
    x = 50,463,602,034.39/346,425.48
  6. Step 6: Final answer
    x = 145,669.43

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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.