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Finding the Fourth Proportional to 346,509.68, 519,783.96 and 97,211.12

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Solution

The fourth proportional to 346,509.68, 519,783.96 and 97,211.12 is: 145,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,509.68 : 519,783.96 = 97,211.12 : x
  2. Step 2: Convert to fraction form
    346,509.68/519,783.96 = 97,211.12/x
  3. Step 3: Cross multiply
    346,509.68x = 519,783.96 × 97,211.12
  4. Step 4: Simplify right side
    346,509.68x = 50,528,780,909.64
  5. Step 5: Solve for x
    x = 50,528,780,909.64/346,509.68
  6. Step 6: Final answer
    x = 145,822.13

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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.