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Finding the Fourth Proportional to 586,970.40, 880,455.60 and 303,535.20

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Solution

The fourth proportional to 586,970.40, 880,455.60 and 303,535.20 is: 455,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,970.40 : 880,455.60 = 303,535.20 : x
  2. Step 2: Convert to fraction form
    586,970.40/880,455.60 = 303,535.20/x
  3. Step 3: Cross multiply
    586,970.40x = 880,455.60 × 303,535.20
  4. Step 4: Simplify right side
    586,970.40x = 267,249,266,637.12
  5. Step 5: Solve for x
    x = 267,249,266,637.12/586,970.40
  6. Step 6: Final answer
    x = 455,302.80

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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.