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Finding the Fourth Proportional to 356,681.60, 533,985.60 and 346,313.60

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Solution

The fourth proportional to 356,681.60, 533,985.60 and 346,313.60 is: 518,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,681.60 : 533,985.60 = 346,313.60 : x
  2. Step 2: Convert to fraction form
    356,681.60/533,985.60 = 346,313.60/x
  3. Step 3: Cross multiply
    356,681.60x = 533,985.60 × 346,313.60
  4. Step 4: Simplify right side
    356,681.60x = 184,926,475,484.16
  5. Step 5: Solve for x
    x = 184,926,475,484.16/356,681.60
  6. Step 6: Final answer
    x = 518,463.74

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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.