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Finding the Fourth Proportional to 708,264.02, 977,369.53 and 385,973.14

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Solution

The fourth proportional to 708,264.02, 977,369.53 and 385,973.14 is: 532,623.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,264.02 : 977,369.53 = 385,973.14 : x
  2. Step 2: Convert to fraction form
    708,264.02/977,369.53 = 385,973.14/x
  3. Step 3: Cross multiply
    708,264.02x = 977,369.53 × 385,973.14
  4. Step 4: Simplify right side
    708,264.02x = 377,238,386,434.42
  5. Step 5: Solve for x
    x = 377,238,386,434.42/708,264.02
  6. Step 6: Final answer
    x = 532,623.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.